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• Why are my USB 2.0 devices hanging Windows XP?

  - by BenAlabaster

  Background on the machine I'm having a problem with: The machine was inherited and appears to be circa 2003 (there's a date stamp on the power supply which leads me to this conclusion). I've got it set up as a Skype terminal for my 2 year old to keep in touch with her grandparents and other members of the family - which everyone loves. It has a generic ATX motherboard with no identifying markings other than one stamp that says "Rev.B". CPU-Z identifies the motherboard model as VT8601 but doesn't provide me with any manufacturer name. On board it has 1 x 10/100 LAN, 2 x USB 1.0, VGA, PS/2 for KB and mouse, parallel port, 2 x serial ports, 2 x IDE, 1 x floppy, 2 x SDRAM slots, 1 x CPU housing that is seating a 1.3GHz Intel Celeron CPU, 3 x PCI, 1 x AGP - although you can only use 2 of the PCI slots if you use the AGP slot due to the physical layout of the board. It's got 768Mb PC133 SDRAM - 1 x 512Mb & 1 x 256Mb installed as well as a D-LINK WDA-2320 54G Wi-Fi network card and a generic USB 2.0 expansion board containing 3 x external + 1 x internal USB connectors - it has a NEC uPD720102 chipset. It has a DVD+/-RW running as master on IDE1 and a 1.44Mb 3.5" floppy drive connected to the floppy connector. It has an 80Gb Western Digital hard drive running as master on IDE0. All this is sitting in a slimline case. I don't know the wattage of the PSU, but can post this later if this proves to be helpful. The motherboard is running a version of Award BIOS for which I don't have the version number to hand but can again post this later if it would be helpful. The hard disk is freshly formatted and built with Windows XP Professional/Service Pack 3 and is up to date with all current patches. In addition to Windows XP, the only other software it's running is Skype 4.1 (4.2 hangs the whole machine as soon as it starts up, requiring a hard boot to recover). It's got a Daytek MV150 15" touch screen hooked up to the on board VGA and COM1 sockets with the most current drivers from the Daytek website and the most current version of ELO-Touchsystems drivers for the touch component. The webcam is a Logitech Webcam C200 with the latest drivers from the Logitech website. The problem: If I hook any devices to the USB 2.0 sockets, it hangs the whole machine and I have to hard boot it to get it back up. If I have any devices attached to the USB 2.0 sockets when I boot up, it hangs before Windows gets to the login prompt and I have to hard boot it to recover. Workarounds found: I can plug the same devices into the on board USB 1.0 sockets and everything works fine, albeit at reduced performance. I've tried 3 different kinds of USB thumb drives, 3 different makes/models of webcams and my iPhone all with the same effect. They're recognized and don't hang the machine when I hook them to the USB 1.0 but if I hook them to the USB 2.0 ports, the machine hangs within a couple of seconds of recognizing the devices were connected. Attempted solutions: I've seen suggestions that this could be a power problem - that the PSU just doesn't have the wattage to drive these ports. While I'm doubtful this is the problem [after all the motherboard has the same standard connector regardless of the PSU wattage], I tried disabling all the on board devices that I'm not using - on board LAN, the second COM port, the AGP connector etc. through the BIOS in what I'm sure is a futile attempt to reduce the power consumption... I also modified the ACPI and power management settings. It didn't have any noticeable affect, although it didn't do any harm either. Could the wattage of the PSU really cause this problem? If it can, is there anything I need to be aware of when replacing it or do I just need to make sure it's got a higher wattage than the current one? My interpretation was that the wattage only affected the number of drives you could hook up to the power connectors, is that right? I've installed the USB card in another machine and it works without issue, so it's not a problem with the USB card itself, and Windows says the card is installed and working correctly... right up until I connect a device to it. The only thing I haven't done which I only just thought of while writing this essay is trying the USB 2.0 card in a different PCI slot, or re-ordering the wi-fi and USB cards in the slots... although I'm not sure if this will make any difference - does anyone have any experience that would suggest this might work? Other thoughts/questions: Perhaps this is an incompatibility between the USB 2.0 card and the BIOS, would re-flashing the BIOS with a newer version help? Do I need to be able to identify the manufacturer of the motherboard in order to be able to find a BIOS edition specific for this motherboard or will any version of Award BIOS function in its place? Question: Does anyone have any ideas that could help me get my USB 2.0 devices hooked up to this machine? Edit: Updated the USB 2.0 info with reference to actual card - http://www.xpcgear.com/lpnec4u.html

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• Can't display Tool Tips in VC++6.0

  - by Paul

  I'm missing something fundamental, and probably both simple and obvious. My issue: I have a view (CPlaybackView, derived from CView). The view displays a bunch of objects derived from CRectTracker (CMpRectTracker). These objects each contain a floating point member. I want to display that floating point member when the mouse hovers over the CMpRectTracker. The handler method is never executed, although I can trace through OnIntitialUpdate, PreTranslateMessage, and OnMouseMove. This is in Visual C++ v. 6.0. Here's what I've done to try to accomplish this: 1. In the view's header file: public: BOOL OnToolTipNeedText(UINT id, NMHDR * pNMHDR, LRESULT * pResult); private: CToolTipCtrl m_ToolTip; CMpRectTracker *m_pCurrentRectTracker;//Derived from CRectTracker 2. In the view's implementation file: a. In Message Map: ON_NOTIFY_EX(TTN_NEEDTEXT,0,OnToolTipNeedText) b. In CPlaybackView::OnInitialUpdate: if (m_ToolTip.Create(this, TTS_ALWAYSTIP) && m_ToolTip.AddTool(this)) { m_ToolTip.SendMessage(TTM_SETMAXTIPWIDTH, 0, SHRT_MAX); m_ToolTip.SendMessage(TTM_SETDELAYTIME, TTDT_AUTOPOP, SHRT_MAX); m_ToolTip.SendMessage(TTM_SETDELAYTIME, TTDT_INITIAL, 200); m_ToolTip.SendMessage(TTM_SETDELAYTIME, TTDT_RESHOW, 200); } else { TRACE("Error in creating ToolTip"); } this->EnableToolTips(); c. In CPlaybackView::OnMouseMove: if (::IsWindow(m_ToolTip.m_hWnd)) { m_pCurrentRectTracker = NULL; m_ToolTip.Activate(FALSE); if(m_rtMilepostRect.HitTest(point) >= 0) { POSITION pos = pDoc->m_rtMilepostList.GetHeadPosition(); while(pos) { CMpRectTracker tracker = pDoc->m_rtMilepostList.GetNext(pos); if(tracker.HitTest(point) >= 0) { m_pCurrentRectTracker = &tracker; m_ToolTip.Activate(TRUE); break; } } } } d. In CPlaybackView::PreTranslateMessage: if (::IsWindow(m_ToolTip.m_hWnd) && pMsg->hwnd == m_hWnd) { switch(pMsg->message) { case WM_LBUTTONDOWN: case WM_MOUSEMOVE: case WM_LBUTTONUP: case WM_RBUTTONDOWN: case WM_MBUTTONDOWN: case WM_RBUTTONUP: case WM_MBUTTONUP: m_ToolTip.RelayEvent(pMsg); break; } } e. Finally, the handler method: BOOL CPlaybackView::OnToolTipNeedText(UINT id, NMHDR * pNMHDR, LRESULT * pResult) { BOOL bHandledNotify = FALSE; CPoint CursorPos; VERIFY(::GetCursorPos(&CursorPos)); ScreenToClient(&CursorPos); CRect ClientRect; GetClientRect(ClientRect); // Make certain that the cursor is in the client rect, because the // mainframe also wants these messages to provide tooltips for the // toolbar. if (ClientRect.PtInRect(CursorPos)) { TOOLTIPTEXT *pTTT = (TOOLTIPTEXT *)pNMHDR; CString str; str.Format("%f", m_pCurrentRectTracker->GetMilepost()); ASSERT(str.GetLength() < sizeof(pTTT->szText)); ::strcpy(pTTT->szText, str); bHandledNotify = TRUE; } return bHandledNotify; }

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• BB Code Parser (in formatting phase) with jQuery jammed due to messed up loops most likely

  - by Oskar

  Greetings everyone, I'm making a BB Code Parser but I'm stuck on the JavaScript front. I'm using jQuery and the caret library for noting selections in a text field. When someone selects a piece of text a div with formatting options will appear. I have two issues. Issue 1. How can I make this work for multiple textfields? I'm drawing a blank as it currently will detect the textfield correctly until it enters the $("#BBtoolBox a").mousedown(function() { } loop. After entering it will start listing one field after another in a random pattern in my eyes. !!! MAIN Issue 2. I'm guessing this is the main reason for issue 1 as well. When I press a formatting option it will work on the first action but not the ones afterwards. It keeps duplicating the variable parsed. (if I only keep to one field it will never print in the second) Issue 3 If you find anything especially ugly in the code, please tell me how to improve myself. I appriciate all help I can get. Thanks in advance $(document).ready(function() { BBCP(); }); function BBCP(el) { if(!el) { el = "textarea"; } // Stores the cursor position of selection start $(el).mousedown(function(e) { coordX = e.pageX; coordY = e.pageY; // Event of selection finish by using keyboard }).keyup(function() { BBtoolBox(this, coordX, coordY); // Event of selection finish by using mouse }).mouseup(function() { BBtoolBox(this, coordX, coordY); // Event of field unfocus }).blur(function() { $("#BBtoolBox").hide(); }); } function BBtoolBox(el, coordX, coordY) { // Variable containing the selected text by Caret selection = $(el).caret().text; // Ignore the request if no text is selected if(selection.length == 0) { $("#BBtoolBox").hide(); return; } // Print the toolbox if(!document.getElementById("BBtoolBox")) { $(el).before("<div id=\"BBtoolBox\" style=\"left: "+ ( coordX + 5 ) +"px; top: "+ ( coordY - 30 ) +"px;\"></div>"); // List of actions $("#BBtoolBox").append("<a href=\"#\" onclick=\"return false\"><img src=\"./icons/text_bold.png\" alt=\"B\" title=\"Bold\" /></a>"); $("#BBtoolBox").append("<a href=\"#\" onclick=\"return false\"><img src=\"./icons/text_italic.png\" alt=\"I\" title=\"Italic\" /></a>"); } else { $("#BBtoolBox").css({'left': (coordX + 3) +'px', 'top': (coordY - 30) +'px'}).show(); } // Parse the text according to the action requsted $("#BBtoolBox a").mousedown(function() { switch($(this).children(":first").attr("alt")) { case "B": // bold parsed = "[b]"+ selection +"[/b]"; break; case "I": // italic parsed = "[i]"+ selection +"[/i]"; break; } // Changes the field value by replacing the selection with the variable parsed $(el).val($(el).caret().replace(parsed)); $("#BBtoolBox").hide(); return false; }); }

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• event capturing or bubbling

  - by ChampionChris

  I have a link button in a repeater control. the li element is drag and droppable using jquery. when the page loads the the link button works perfectly, the jquery that is attached and the server side code both execute. when I perform a drag and drop then click on the link button it doesn't not fire. when i click it a second time it does fire. If i perform 2 or drag and drops in a row the link button doesn't fire a as many drag and drops as i before it will fire. for example if if perform 3 drag and drops then it will take about 3 click before the events are fired. <asp:Repeater ID="rTracks" runat="server" OnItemDataBound="rTracks_ItemDataBound" EnableViewState="true"> <ItemTemplate> <li onclick="testclick();" class='admin-song ui-selectee <asp:Literal id="ltStatusClass" runat="server" />' mediaid="<%# Eval("MediaId") %>" artistid="<%# Eval("tbMedia.tbArtists.id") %>"><span class="handle"><strong> <%--<%# int.Parse(DataBinder.Eval(Container, "ItemIndex", "")) + 1%>--%><%# Eval("SortNumber")%></strong><%--0:03--%></span> <span class="play"><span class="btn-play">&nbsp;</span></span> <span class="track" title="<%# Eval("tbMedia.Title") %>"> <%# Eval("tbMedia.Title") %></span> <span class="artist"> <%# Eval("tbMedia.tbArtists.Name") %></span> <span class="time" length="<%# Eval("tbMedia.Length") %>"> <asp:Literal ID="ltRuntime" runat="server" /></span> <span class="notes"><span class="btn-notes"> <asp:Literal ID="ltNotesCount" runat="server" /></span></span> <span class="status"> <asp:Literal ID="ltStatus" runat="server" /></span> <span class="date"> <%# Eval("DateAdded") %></span> <span class="remove"><asp:LinkButton ID="lbStatusClass2" runat="server" CssClass="btn-del" OnClick="UpdateStatus" ValidationGroup='<%#Bind("MediaId") %>'> <%--<span class='<asp:Literal id="ltStatusClass2" runat="server" Text="btn-del" />'>--%> &nbsp;<%--</span>--%></asp:LinkButton></span></span> </li> </ItemTemplate> </asp:Repeater> I have onclick event on the li element, when the mouse is clicks the link button the li onclick event is fired even when linkbutton event doesnt fire. My question is if the li captures the event y doesnt the event fire on the linkbutton? What would be stopping the event?

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• Algorithm for dragging objects on a fixed grid

  - by FlyingStreudel

  Hello, I am working on a program for the mapping and playing of the popular tabletop game D&D :D Right now I am working on getting the basic functionality like dragging UI elements around, snapping to the grid and checking for collisions. Right now every object when released from the mouse immediately snaps to the nearest grid point. This causes an issue when something like a player object snaps to a grid point that has a wall -or other- adjacent. So essentially when the player is dropped they wind up with some of the wall covering them. This is fine and working as intended, however the problem is that now my collision detection is tripped whenever you try to move this player because its sitting underneath a wall and because of this you cant drag the player anymore. Here is the relevant code: void UIObj_MouseMove(object sender, MouseEventArgs e) { blocked = false; if (dragging) { foreach (UIElement o in ((Floor)Parent).Children) { if (o.GetType() != GetType() && o.GetType().BaseType == typeof(UIObj) && Math.Sqrt(Math.Pow(((UIObj)o).cX - cX, 2) + Math.Pow(((UIObj)o).cY - cY, 2)) < Math.Max(r.Height + ((UIObj)o).r.Height, r.Width + ((UIObj)o).r.Width)) { double Y = e.GetPosition((Floor)Parent).Y; double X = e.GetPosition((Floor)Parent).X; Geometry newRect = new RectangleGeometry(new Rect(Margin.Left + (X - prevX), Margin.Top + (Y - prevY), Margin.Right + (X - prevX), Margin.Bottom + (Y - prevY))); GeometryHitTestParameters ghtp = new GeometryHitTestParameters(newRect); VisualTreeHelper.HitTest(o, null, new HitTestResultCallback(MyHitTestResultCallback), ghtp); } } if (!blocked) { Margin = new Thickness(Margin.Left + (e.GetPosition((Floor)Parent).X - prevX), Margin.Top + (e.GetPosition((Floor)Parent).Y - prevY), Margin.Right + (e.GetPosition((Floor)Parent).X - prevX), Margin.Bottom + (e.GetPosition((Floor)Parent).Y - prevY)); InvalidateVisual(); } prevX = e.GetPosition((Floor)Parent).X; prevY = e.GetPosition((Floor)Parent).Y; cX = Margin.Left + r.Width / 2; cY = Margin.Top + r.Height / 2; } } internal virtual void SnapToGrid() { double xPos = Margin.Left; double yPos = Margin.Top; double xMarg = xPos % ((Floor)Parent).cellDim; double yMarg = yPos % ((Floor)Parent).cellDim; if (xMarg < ((Floor)Parent).cellDim / 2) { if (yMarg < ((Floor)Parent).cellDim / 2) { Margin = new Thickness(xPos - xMarg, yPos - yMarg, xPos - xMarg + r.Width, yPos - yMarg + r.Height); } else { Margin = new Thickness(xPos - xMarg, yPos - yMarg + ((Floor)Parent).cellDim, xPos - xMarg + r.Width, yPos - yMarg + ((Floor)Parent).cellDim + r.Height); } } else { if (yMarg < ((Floor)Parent).cellDim / 2) { Margin = new Thickness(xPos - xMarg + ((Floor)Parent).cellDim, yPos - yMarg, xPos - xMarg + ((Floor)Parent).cellDim + r.Width, yPos - yMarg + r.Height); } else { Margin = new Thickness(xPos - xMarg + ((Floor)Parent).cellDim, yPos - yMarg + ((Floor)Parent).cellDim, xPos - xMarg + ((Floor)Parent).cellDim + r.Width, yPos - yMarg + ((Floor)Parent).cellDim + r.Height); } } } Essentially I am looking for a simple way to modify the existing code to allow the movement of a UI element that has another one sitting on top of it. Thanks!

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• CSS menu items flickering in IE6

  - by Quick Joe Smith

  Edit #1: I have just discovered this flicker bug affects IE8 (and therefore most likely IE7) as well. I am putting together a pure-CSS dropdown menu (mostly a learning exercise) and have hit a point in IE where the submenu items are flickering as the mouse moves around within the <li> but outside the inner <a>. Source code is as follows: The included csshover3.htc is downloadable from Peter Nederlof's page for Whatever:hover <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS Menu</title> <style type="text/css"> body { behavior: url("csshover3.htc"); } div#navbar { background-color:#333; font-size:1.4em; overflow:auto; } div#navbar ul { display:inline-block; /* ie6 float container bug */ list-style:none; margin:0px; padding:0px; } div#navbar ul.menu li { float:left; display:inline; /* ie6 double-margin bug */ } div#navbar ul.menu a { display:block; text-decoration:none; color:#fff; padding:5px 10px; } div#navbar ul li a:link, div#navbar ul li a:visited { text-decoration:none; } div#navbar ul li a:hover { color:#333; background-color:#f6c323; } div#navbar ul.menu ul { display:none; } div#navbar ul.menu li:hover ul { display:block; position:absolute; background-color:#333; } div#navbar ul.menu li:hover ul li { float:none; } div#navbar ul.menu li:hover ul ul { display:none; } div#navbar ul.menu li:hover li:hover { position:relative; } div#navbar ul.menu li:hover li:hover ul { display:block; position:absolute; left:100%; top:0; } </style> </head> <body> <h1>CSS Menu</h1> <div id="navbar"> <ul class="menu"> <li><a href="#">A</a></li> <li> <a>B</a> <ul> <li><a href="#">123</a></li> <li><a href="#">2</a></li> <li> <a>Tweee</a> <ul> <li><a href="#">Phwoar</a></li> <li><a href="#">Gr</a></li> </ul> </li> </ul> </li> <li><a href="#">C</a></li> </ul> </div> </body> </html> Live demo: http://jsfiddle.net/4q6Vw/ Any help is appreciated.

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• How to add addtional disks to a Windows 2008 KVM based Guest?

  - by taazaa

  I have a Win 2008 KVM based guest VM running on a Ubuntu 10 host. It is a raw image of 22G. I want to add a "data" drive which would show up as "D:\" drive on the guest. I first created a raw image using: qemu-img create -f raw ~/vmdisk2.img 50G Then, tried attaching it using virsh attach-disk. When that did not work, I tried editing the xml file of the VM directly. Both did not seem to work. I would greatly appreciate any help on how to do this and what the best practice is. I want to keep the base image small, so that I can clone it (hopefully) and then attach necessary storage based on the application at hand. Update: The xml of the vm before adding the second drive: <domain type='kvm'> <name>win08e-vm1</name> <uuid>183a4ba0-1c0b-0b04-ad01-aa7c3a4cb390</uuid> <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>2</vcpu> <os> <type arch='x86_64' machine='pc-0.12'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <pae/> </features> <clock offset='localtime'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/var/lib/libvirt/images/win08e-vm1.img'/> <target dev='hda' bus='ide'/> <address type='drive' controller='0' bus='0' unit='0'/> </disk> <disk type='file' device='cdrom'> <driver name='qemu' type='raw'/> <source file='/home/taazaa/iso/Win08ER264.iso'/> <target dev='hdc' bus='ide'/> <readonly/> <address type='drive' controller='0' bus='1' unit='0'/> </disk> <controller type='ide' index='0'> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:7f:a7:ae'/> <source bridge='br0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <target port='0'/> </serial> <console type='pty'> <target type='serial' port='0'/> </console> <input type='tablet' bus='usb'/> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='-1' autoport='yes' keymap='en-us'/> <video> <model type='vga' vram='9216' heads='1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <memballoon model='virtio'> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </memballoon> </devices> </domain> Thanks!

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• how to make css submenu stay put when subpage has been selected.

  - by Ronedog

  I have a css horizontal menu with a menu / submenu display working on the hover, but I would also like to make the submenu options stay put when I've selected that page. The code below shows the submenu on hover, but goes away on mouse out. I'm having some difficulty figuring out how to make my code work to keep the submenu items staying put? How can I do this? Thanks for your help. Here's the HTML: <ul id="menu_nav"> <li> <a href="#" class="button">Home</a> <span> <a href="#">Home Link1</a> <a href="#">Home Link2</a> <a href="#">Home Link3</a> </span> </li> <li> <a href="#" class="button">About Us</a> <span> <a href="#">About Link1</a> <a href="#">About Link2</a> <a href="#">About Link3</a> </span> </li> </ul> Here's the CSS ul#menu_nav { position:relative; float:left; width:790px; padding:0; margin:0; list-style-type:none; background-color:#000099; } ul#menu_nav li {float: left; margin: 0; padding: 0; border-right: 1px solid #555;} ul#menu_nav li a.button { float:left; text-decoration:none; color:white; background-color:#000099; padding:0.2em 0.6em; border-right:1px solid #CCCCCC; font-family: Tahoma; font-size: 11px; font-style: normal; font-weight: bold; position: relative; height: 21px; line-height:1.85em; } ul#menu_nav li a:hover { background-color:#F7F7F7; color:#000099; border-top:1px solid #CCCCCC; } ul#menu_nav li span{ float: left; padding: 15px 0; position: absolute; left: 0; top:25px; display: none; /*--Hide by default--*/ width: 790px; background: #F7F7F7; color: #fff; } ul#menu_nav li:hover span { display: block; } /*--Show subnav on hover--*/ ul#menu_nav li span a { display: inline; } /*--Since we declared a link style on the parent list link, we will correct it back to its original state--*/ ul#menu_nav li span a:hover {text-decoration: underline;} Heres the jquery: $("ul#menu_nav li").hover(function() { //Hover over event on list item $(this).css({ 'background' : '#1376c9'}); //Add background color and image on hovered list item $(this).find("span").show(); //Show the subnav } , function() { //on hover out... $(this).css({ 'background' : 'none'}); //Ditch the background $(this).find("span").hide(); //Hide the subnav });

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• Better Way To Use C++ Named Parameter Idiom?

  - by Head Geek

  I've been developing a GUI library for Windows (as a personal side project, no aspirations of usefulness). For my main window class, I've set up a hierarchy of option classes (using the Named Parameter Idiom), because some options are shared and others are specific to particular types of windows (like dialogs). The way the Named Parameter Idiom works, the functions of the parameter class have to return the object they're called on. The problem is that, in the hierarchy, each one has to be a different class -- the createWindowOpts class for standard windows, the createDialogOpts class for dialogs, and the like. I've dealt with that by making all the option classes templates. Here's an example: template <class T> class _sharedWindowOpts: public detail::_baseCreateWindowOpts { public: /////////////////////////////////////////////////////////////// // No required parameters in this case. _sharedWindowOpts() { }; typedef T optType; // Commonly used options optType& at(int x, int y) { mX=x; mY=y; return static_cast<optType&>(*this); }; // Where to put the upper-left corner of the window; if not specified, the system sets it to a default position optType& at(int x, int y, int width, int height) { mX=x; mY=y; mWidth=width; mHeight=height; return static_cast<optType&>(*this); }; // Sets the position and size of the window in a single call optType& background(HBRUSH b) { mBackground=b; return static_cast<optType&>(*this); }; // Sets the default background to this brush optType& background(INT_PTR b) { mBackground=HBRUSH(b+1); return static_cast<optType&>(*this); }; // Sets the default background to one of the COLOR_* colors; defaults to COLOR_WINDOW optType& cursor(HCURSOR c) { mCursor=c; return static_cast<optType&>(*this); }; // Sets the default mouse cursor for this window; defaults to the standard arrow optType& hidden() { mStyle&=~WS_VISIBLE; return static_cast<optType&>(*this); }; // Windows are visible by default optType& icon(HICON iconLarge, HICON iconSmall=0) { mIcon=iconLarge; mSmallIcon=iconSmall; return static_cast<optType&>(*this); }; // Specifies the icon, and optionally a small icon // ...Many others removed... }; template <class T> class _createWindowOpts: public _sharedWindowOpts<T> { public: /////////////////////////////////////////////////////////////// _createWindowOpts() { }; // These can't be used with child windows, or aren't needed optType& menu(HMENU m) { mMenuOrId=m; return static_cast<optType&>(*this); }; // Gives the window a menu optType& owner(HWND hwnd) { mParentOrOwner=hwnd; return static_cast<optType&>(*this); }; // Sets the optional parent/owner }; class createWindowOpts: public _createWindowOpts<createWindowOpts> { public: /////////////////////////////////////////////////////////////// createWindowOpts() { }; }; It works, but as you can see, it requires a noticeable amount of extra work: a type-cast on the return type for each function, extra template classes, etcetera. My question is, is there an easier way to implement the Named Parameter Idiom in this case, one that doesn't require all the extra stuff?

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• How do you place an Excel Sheet/Workbook onto a C# .NET Winform?

  - by incognick

  I am trying to create a stand alone application in Visual Studio 2008 C# .Net that will house Excel Workbooks (2007). I am using Office.Interop in order to create the Excel application and I open the workbooks via Workbooks.Open(...). The Interop does not provide any functionality to "move" the workbooks onto a form so I turned to P/Invoke Win32 library. I am able to move the entire excel application onto a WinForm with great success: // pseudo code to give you the idea excel = new Excel.ApplicationClass(); SetParent(excel.Hwnd, form.handle); This allows me to customize the form and control user input. All right click commands and formula editing work properly. Now, the issue I run into is when I want to open two workbooks in two separate forms. I do this by creating two excel application classes and placing each of those in their own form. When I try to reference one workbook to another workbook via =[Book2]Sheet1!A1, for example, it does not update. This is expected as each application is running under its own thread/process. Here are the alternatives I have tried. If you have any suggestions I would be greatly appreciative.(OLE is not an option. VSTO must be available) Create a single application class and move the workbook window into my form. Results: The window moves into my form and displays correctly, however, no right click or left click works on the form and it never gains focus. (I have tried to manually set focus and it does not work either). My guess is, by moving the window outside of the XLDESK application (viewable in Spy++ for Excel Application), the workbook application (EXCEL7) does not receive the correct window messages to gain focus and to behave properly. This leads me to: Move the XLDESK window handle into my form. Results: This allows the workbook to be click-able again but also has an undesired result of moving all child windows into the same form. Create a main excel application that creates workbooks. Create a new excel application for each new window. Move the workbook under the new excel application XLDESK window. Results: This also has the same effect of the 1st option. Unable to click in the workbook. This must mean that the thread that created the workbook is also responsible for the events. Create a windows hook that watches the WndProc procedure. Results: No events watched. The targeted thread must export the hook proc in a DLL export call. Excel does not do this and thus you cannot inject into it's DLL (unless someone can prove me wrong). I am able to watch all threads within my own process but not from an outside process. Excel is created as a separate process. Subclass NativeWindow. Results: Same as #4. After I move the window into my form, all events are captured up until the mouse is directly over the excel sheet making the sheet seem unclickable. One idea I haven't tried yet is just to continually save the excel sheet as the user edits it. This should update all references but I would feel this would cause poor system performance. There will be numerous chart references as well and I'm not sure if this solution would cause problems further down the road. I think in the end, all the workbooks need to be created by the same Excel Application and then moved to get the desired results but I can't seem to find the correct way to move the windows without disabling the user input in the process. Any suggestions?

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• Multiple Graphics Cards on Fedora 15 (Gnome 3)

  - by Michael

  I have the (delightful) misfortune of having 3 graphics cards. They are XFX Radeon 5750s. Each drives 2 monitors via dvi. I am having a really hard time getting these running on fedora 15 (gnome 3). So my setup is 3 columns of 2 monitors (the upper monitor is mounted upside down in each column to reduce the bezel between monitors). When the (graphical) login screen comes up all 6 have the blue stripey background that must be the default, but then when I login, things get interesting. In the xorg.conf below, you will see only 2 of the screens in the serverlayout while the other 4 are commented out. Logging in with only 2 of the screens active works well (and it even remembers that the top one is upside down, and should be considered above the lower, i am not sure where it stores this info, but i set it using the graphical "Displays" settings) However, as soon as I uncomment a third screen, or more, it gives me an error message when I login. It's one of those friendly, less helpful messages (Oh no! Something has gone wrong. A problem has occurred and the system can't recover. Please log out and try again). If i do not use an xorg.conf, then the "Displays" prefs pane shows only the two monitors on one of my graphics cards Thanks to anyone who can help me get going! (xorg.conf and then lspci below, and xorg log) xorg.conf Section "ServerLayout" Identifier "X.org Configured" Screen "Screen0" 0 0 Screen "Screen1" Below "Screen0" # Screen "Screen2" RightOf "Screen0" # Screen "Screen3" RightOf "Screen1" # Screen "Screen4" RightOf "Screen3" # Screen "Screen5" RightOf "Screen4" InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" EndSection Section "Files" ModulePath "/usr/lib/xorg/modules" FontPath "catalogue:/etc/X11/fontpath.d" FontPath "built-ins" EndSection Section "Module" Load "record" Load "dri" Load "dbe" Load "extmod" Load "dri2" Load "glx" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/input/mice" Option "ZAxisMapping" "4 5 6 7" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Monitor" Identifier "Monitor1" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Monitor" Identifier "Monitor2" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Monitor" Identifier "Monitor3" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Monitor" Identifier "Monitor4" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Monitor" Identifier "Monitor5" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Device" Identifier "Card0" Driver "radeon" BusID "PCI:4:0:0" EndSection Section "Device" Identifier "Card1" Driver "radeon" BusID "PCI:5:0:0" EndSection Section "Device" Identifier "Card2" Driver "radeon" BusID "PCI:6:0:0" EndSection Section "Screen" Identifier "Screen0" Device "Card0" Monitor "Monitor0" SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen1" Device "Card0" Monitor "Monitor1" SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen2" Device "Card1" Monitor "Monitor2" SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen3" Device "Card1" Monitor "Monitor3" SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen4" Device "Card2" Monitor "Monitor4" SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen5" Device "Card2" Monitor "Monitor5" SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection lspci output follows [tgm@tgm ~]$ lspci 00:00.0 Host bridge: Intel Corporation 5520/5500/X58 I/O Hub to ESI Port (rev 13) 00:01.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Port 1 (rev 13) 00:03.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Port 3 (rev 13) 00:07.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Port 7 (rev 13) 00:14.0 PIC: Intel Corporation 5520/5500/X58 I/O Hub System Management Registers (rev 13) 00:14.1 PIC: Intel Corporation 5520/5500/X58 I/O Hub GPIO and Scratch Pad Registers (rev 13) 00:14.2 PIC: Intel Corporation 5520/5500/X58 I/O Hub Control Status and RAS Registers (rev 13) 00:14.3 PIC: Intel Corporation 5520/5500/X58 I/O Hub Throttle Registers (rev 13) 00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4 00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5 00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6 00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2 00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller 00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root Port 1 00:1c.1 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 2 00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root Port 3 00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1 00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2 00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3 00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90) 00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller 00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE Controller #1 00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller 00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller #2 02:00.0 PCI bridge: nVidia Corporation NF200 PCIe 2.0 switch for mainboards (rev a3) 03:00.0 PCI bridge: nVidia Corporation NF200 PCIe 2.0 switch for mainboards (rev a3) 03:02.0 PCI bridge: nVidia Corporation NF200 PCIe 2.0 switch for mainboards (rev a3) 04:00.0 VGA compatible controller: ATI Technologies Inc Juniper [Radeon HD 5750 Series] 04:00.1 Audio device: ATI Technologies Inc Juniper HDMI Audio [Radeon HD 5700 Series] 05:00.0 VGA compatible controller: ATI Technologies Inc Juniper [Radeon HD 5750 Series] 05:00.1 Audio device: ATI Technologies Inc Juniper HDMI Audio [Radeon HD 5700 Series] 06:00.0 VGA compatible controller: ATI Technologies Inc Juniper [Radeon HD 5750 Series] 06:00.1 Audio device: ATI Technologies Inc Juniper HDMI Audio [Radeon HD 5700 Series] 07:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02) 08:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02) xorg log (posted to fpaste due to how long it is. thanks to marcusw for the request) http://www.fpaste.org/r5ww/ xorg log with all 6 monitors enabled in xorg.conf (they all turn on and have blue, but then one gets the aforementioned user-friendly error message). http://www.fpaste.org/X63H/

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• jQuery animation menu height

  - by StealthRT

  Hey all i have the following jsfiddle Fiddle that i need some help on. When i have my mouse over it-it expands out to a static width but, depending on the text length, it grabs it by the inner's text $('.inner').height(). Problem being is that it goes a little too far beyond the last text list item and when i roll over any of the text in the menu box it slides back up a little. How can prevent it from (1) sliding back up and (2) have the exact height needed without even having the extra space at the bottom of the box for its height? The JS: $(document).ready(function() { $('#menuSquare, .inner').mouseout(function() { theMenu('close'); }); $('#menuSquare, .inner').mouseover(function() { theMenu('open'); }); }); function theMenu(what2Do) { if (what2Do == 'open') { $('#menuSquare').stop().animate({ width: 190, //95 height: $('.inner').height(), duration:900, 'padding-top' : 10, 'padding-right' : 10, 'padding-bottom' : 10, 'padding-left' : 10, backgroundColor: '#fff', opacity: 0.8 }, 1000,'easeOutCubic') } else { $('#menuSquare').stop().animate({ width: "20", height: "20", padding: '0px', backgroundColor: '#e51937', opacity: 0.8 }, 500,'easeInCirc') } }? The HTML: <div id="menuSquare" class="TheMenuBox" style="overflow: hidden; width: 20px; height: 20px; background-color: rgb(229, 25, 55); opacity: 0.8; padding: 0px;"> <div class="inner"> <p style="text-decoration:none; color:#666; cursor: pointer; " onclick="changeImg('Custom Homes');">Custom Homes</p> <p style="text-decoration:none; color:#666; cursor: pointer; " onclick="changeImg('Full Service Hotels');">Full Service Hotels</p> <p style="text-decoration:none; color:#666; cursor: pointer; " onclick="changeImg('Mixed Use');">Mixed Use</p> <p style="text-decoration:none; color:#666; cursor: pointer; " onclick="changeImg('Office');">Office</p> <p style="text-decoration:none; color:#666; cursor: pointer; " onclick="changeImg('Retail');">Retail</p> <p style="text-decoration:none; color:#666; cursor: pointer; " onclick="changeImg('Select Service Hotels');">Select Service Hotels</p> </div> </div>

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• I'm trying to make lots of the same object appear randomly on the screen subject to conditions and k

  - by Katsideswide

  Hi! A good friend recommended this site to me, it looks really useful! I'm a bit of a shameless noob at actionscript and after 3 days of tutorials and advice I've hit a brick wall. I've managed to get a sensor attached to an arduino talking to flash using something called AS3glue. it works, when i set up a trace("leaf") for the contition that the sensor reads 0, i get a printout of the word "leaf". however i want the program to make a graphic appear on the screen when this condition is met, not just trace something. I'm trying to get the program to generate a library object called "Enemy" on the screen at a random position each time the conditions are met. It's called enemy because I was following a game tutorial...actually it's a drawing of a leaf. Here's the bit of the code which is causing me problems: var army:Array; var enemy:Enemy; function AvoiderGame() { army = new Array(); var newEnemy = new Enemy( 100, 100 ); army.push( newEnemy ); addChild( newEnemy ); } function timerEvent(event:Event):void { if (a.getAnalogData(0) ==0 && a.getAnalogData(0) != this.lastposition){ trace("leaf"); var randomX:Number = (Math.random() * 200) + 100; var randomY:Number = (Math.random() * 150) + 50; var newEnemy = new Enemy( randomX, randomY); army.push( newEnemy ); addChild( newEnemy ); } else if (a.getAnalogData(0) == 0) { //don't trace anything } else { //don't trace anything } this.lastposition = a.getAnalogData(0); //afterwards, set the position to be the new lastposition and repeat. } I've imported "import flash.display.MovieClip;" and the code for the Enemy class looks like this: package { import flash.display.MovieClip; public class Enemy extends MovieClip { public function Enemy( startX:Number, startY:Number ) { x = startX; y = startY; } } } Here's my error. I've tried googling, it seems like a pretty general error: TypeError: Error #1009: Cannot access a property or method of a null object reference. at as3glue_program_fla::MainTimeline/timerEvent() at flash.utils::Timer/_timerDispatch() at flash.utils::Timer/tick() I've made sure that the "Enemy" object is exported for AS3. I'm going for something like this when it's programmed in AS2: leafCounter = 0; //set the counter to 0 counter.swapDepths(1000); //puts the counter on top of pretty much anything, unless you make more than 1000 leaves! counter.textbox.text = 0; //shows "0" in the text box in the "counter" movie clip this.onMouseDown = function() { //triggers when the mouse is clicked this.attachMovie("Leaf","Leaf"+leafCounter,leafCounter,{_x:Math.random()*Stage.width,_y:Math.random()*Stage.height,_rotation:Math.random()*360}); //adds a leaf to rthe stage with a random position and random rotation leafCounter++; //adds 1 to the leaf counter counter.textbox.text = leafCounter; //shows that number in the text box } I'm sure it must be a simple error, I can get the logic working when it just traces something on the screen but i can't get it to generate an "enemy" Any help or hints would be really useful! I know this is a bit of a ham-fisted job of altering existing code.

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• JavaScript Node.replaceChild() doesn't count new child's innerHtml

  - by manuna

  While creating a Firefox addon, I've run into a weird problem. I have an array of nodes, returned by some iterator. Iterator returns only nodes, containing Node.TEXT_NODE as one or more of it's children. The script runs on page load. I have to find some text in that nodes by regexp and surround it with a SPAN tag. //beginning skipped var node = nodeList[i]; var node_html = node.innerHTML; var node_content = node.textContent; if(node_content.length > 1){ var new_str = "<SPAN class='bar'>" + foo + "</SPAN>"; var regexp = new RegExp( foo , 'g' ); node_html = node_html.replace(regexp, new_str); node.innerHTML = node_html; } Basic version looked like this, and it worked except one issue - node.innerHTML could contain attributes, event handlers, that could also contain foo, that should not be surrounded with <span> tags. So I decided to make replacements in text nodes only. But text nodes can't contain a HTML tag, so I had to wrap them with <div>. Like this: var node = nodeList[i]; for(var j=0; j<node.childNodes.length; j++){ var child = node.childNodes[j]; var child_content = child.textContent; if(child.nodeType == Node.TEXT_NODE && child_content.length >1){ var newChild = document.createElement('div'); // var newTextNode = document.createTextNode(child_content); // newChild.appendChild(newTextNode); var new_html = child_content; var new_str = "<SPAN class='bar'>" + foo + "</SPAN>"; var regexp = new RegExp( foo , 'g' ); new_html = new_html.replace(regexp, new_str); newChild.innerHTML = new_html; alert(newChild.innerHTML); node.replaceChild(newChild, child); } } In this case, alert(newChild.innerHTML); shows right html. But after the page is rendered, all <div>s created are empty! I'm puzzled. If I uncomment this code: // var newTextNode = document.createTextNode(child_content); // newChild.appendChild(newTextNode); alert also shows things right, and <div>s are filled with text (textNode adding works ok) , but again without <span>s. And another funny thing is that I can't highlight that new <div>s' content with a mouse in browser. Looks like it doesn't take new innerHTML into account, and I can't understand why. Do I do something wrong? (I certainly do, but what? Or, is that a FF bug/feature?)

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• Running game, leaving game and continuing animation

  - by Madrusec

  I have been trying to learn some Actionscript recently and have been trying to run an interactive story that at one point turns into an extremel simple shooter game. After the player either wins or looses, then he/she is taken to the rest of the animated story. So I have everything up to the point where the games runs (successfully) but for some reason I am unable to have flash run the rest of the frames, most of which have no code at all. This is the code for scene 1: stop (); import flash.display.MovieClip; import flash.events.MouseEvent; import flash.utils.Timer; import flash.events.TimerEvent; var stoneInGame:uint; var stoneMaker: Timer; var container_mc: MovieClip; var cursor:MovieClip; var score:int; var anxiety:int; var anxiety_mc :MovieClip = new mcAnxiety(); //stage.addChild( anxiety_mc ); function initializeGame():void { stoneInGame = 10; stoneMaker = new Timer(1000, stoneInGame); container_mc = new MovieClip(); addChild(container_mc); container_mc.addChild(anxiety_mc); anxiety_mc.x = 497; anxiety_mc.y = 360; stoneMaker.addEventListener(TimerEvent.TIMER, createStones); stoneMaker.start(); cursor = new Cursor(); addChild(cursor); cursor.enabled = false; Mouse.hide(); stage.addEventListener(MouseEvent.MOUSE_MOVE, dragCursor); score = 0; anxiety = anxiety_mc.totalFrames; anxiety_mc.gotoAndStop(anxiety); } function dragCursor(event:MouseEvent):void { cursor.x = this.mouseX; cursor.y = this.mouseY; } function createStones(event:TimerEvent):void { var stone:MovieClip; stone = new Stone(); stone.x = Math.random() * stage.stageWidth; stone.y = Math.random() * stage.stageHeight; container_mc.addChild(stone); } function increaseScore():void { score ++; if(score >= stoneInGame) { dragCursor.stop(); createStones.stop(); stoneMaker.stop(); trace("you wind!"); } } function decreaseAnxiety():void { anxiety--; if(anxiety <= 0) { stoneMaker.stop(); trace("you lose!"); } else { anxiety_mc.gotoAndStop(anxiety); } increaseScore(); } initializeGame(); So what I tried to do was adding gotoAndPlay() inside both the decreaseAnxiety and increaseScore functions after the trace statements and referenced a frame where I have more keyframes that continue a story. However, Flash just goes back to the beginning of the timeline and I even the functions that change and control the cursor seem to be running. This leads me to believe that I need to make sure that I tell flash o stup running certain functions before jumping to another frame. However, it seems to me that I would still have the same issue and not be able to continue in the timeline. Is there something I am missing? How can I jump out of all this code once the game finishes and simply continue playing the rest of the frames? Any pointers would be greatly appreciated. Thank you

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• Programmatically adding an object and selecting the correspondig row does not make it become the CurrentRow

  - by Robert

  I'm in a struggle with the DataGridView: I do have a BindingList of some simple objects that implement INotifyPropertyChanged. The DataGridView's datasource is set to this BindingList. Now I need to add an object to the list by hitting the "+" key. When an object is added, it should appear as a new row and it shall become the current row. As the CurrentRow-property is readonly, I iterate through all rows, check if its bound item is the newly created object, and if it is, I set this row to "Selected = true;" The problem: although the new object and thereby a new row gets inserted and selected in the DataGridView, it still is not the CurrentRow! It does not become the CurrentRow unless I do a mouse click into this new row. In this test program you can add new objects (and thereby rows) with the "+" key, and with the "i" key the data-bound object of the CurrentRow is shown in a MessageBox. How can I make a newly added object become the CurrentObject? Thanks for your help! Here's the sample: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form1 : Form { BindingList<item> myItems; public Form1() { InitializeComponent(); myItems = new BindingList<item>(); for (int i = 1; i <= 10; i++) { myItems.Add(new item(i)); } dataGridView1.DataSource = myItems; } public void Form1_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Add) { addItem(); } } public void addItem() { item i = new item(myItems.Count + 1); myItems.Add(i); foreach (DataGridViewRow dr in dataGridView1.Rows) { if (dr.DataBoundItem == i) { dr.Selected = true; } } } private void btAdd_Click(object sender, EventArgs e) { addItem(); } private void dataGridView1_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Add) { addItem(); } if (e.KeyCode == Keys.I) { MessageBox.Show(((item)dataGridView1.CurrentRow.DataBoundItem).title); } } } public class item : INotifyPropertyChanged { public event PropertyChangedEventHandler PropertyChanged; private int _id; public int id { get { return _id; } set { this.title = "This is item number " + value.ToString(); _id = value; InvokePropertyChanged(new PropertyChangedEventArgs("id")); } } private string _title; public string title { get { return _title; } set { _title = value; InvokePropertyChanged(new PropertyChangedEventArgs("title")); } } public item(int id) { this.id = id; } #region Implementation of INotifyPropertyChanged public void InvokePropertyChanged(PropertyChangedEventArgs e) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) handler(this, e); } #endregion } }

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• ActionScript 3 Cant see Movieclip

  - by user3697993

  When I play my game it does not show my _Player Movieclip, but it does collide with the ground which is very confusing. So I believe the movieclip is there but not showing the texture/Sprite. I think the problem is in "function Spawn" (First Function). public class PewdyBird extends MovieClip { //Player variables public var Up_Speed:int = 25; public var speed:Number = 0; public var _grav:Number = 0.5; public var isJump:Boolean = false; public var Score:int = 0; public var Player_Live:Boolean = true; public var _Player:Player = new Player(); //Other variables //Environment variables var Floor:int = 480; var Clock:Number = 0; var Clock_restart:Number = 0; var Clock_ON:Boolean = false; var Clock_max:int = 15; var Player_Stage:Boolean = true; private var _X:int; private var _Y:int; private var hit_ground:Boolean = false; private var width_BG:int = 479; //SPAWN function Spawn(e:Event){ _Player.x = 200; _Player.y = 200; stage.addChild(_Player); } //Keyboard Input private function KeyboardListener(e:KeyboardEvent){ if(e.keyCode == Keyboard.SPACE){ Clock = Clock_restart; Clock_ON = true; isJump = true; if(isJump){ _Player.gotoAndPlay("Fly"); speed = -Up_Speed; isJump = false; } } } //Mouse Input & Spawn Listener private function MouseListener(m:MouseEvent){ if(MouseEvent.CLICK){ Clock = Clock_restart; Clock_ON = true; isJump = true; if(isJump){ _Player.gotoAndPlay("Fly"); speed = -Up_Speed; isJump = false; } } } //Rotation Fly function Rot_Fly(){ if(Clock < Clock_max){ _Player.rotation = -15; }else if(Clock >= Clock_max){ if(_Player.rotation < 90){ _Player.rotation += 10; }else if(_Player.rotation >= 90){ _Player.rotation = 90; } } } //END //Update Function function enter_frame(e:Event):void{ Rot_Fly(); //Clock if(Clock_ON){ Clock++; }else if(Clock > Clock_max){ Clock = Clock_max; } //Fall Limits if(speed >= 20){ _Player.y += 20; return; _Player.gotoAndPlay("Fall"); } //Physics speed += _grav*3; _Player.y += speed; } //Hit Ground function Hit_Ground(e:Event){ if(_Player.hitTestObject(Ground1)){ _grav = 0; speed = 0; trace("HIT GROUND"); }else if(_Player.hitTestObject(Ground2)){ _grav = 0; speed = 0; trace("HIT GROUND"); }else if(_Player.hitTestObject(Ground1) == false){ _grav = 1; }else if(_Player.hitTestObject(Ground2) == false){ _grav = 1; } } //Background Slide (Left) private function Background_Move(e:Event):void{ Background1.x -= 1.5; Background2.x -= 1.5; Ground1.x -= 4; Ground2.x -= 4; if(Background1.x < -width_BG){ Background1.x = width_BG; } else if(Background2.x < -width_BG){ Background2.x = width_BG; } else if(Ground1.x < -width_BG){ Ground1.x = width_BG; } else if(Ground2.x < -width_BG){ Ground2.x = width_BG; } } } The eventListeners are in flash it self stage.addEventListener(Event.ENTER_FRAME, enter_frame); stage.addEventListener(Event.ENTER_FRAME, Hit_Ground); stage.addEventListener(KeyboardEvent.KEY_UP, KeyboardListener); stage.addEventListener(MouseEvent.CLICK, MouseListener); stage.addEventListener(Event.ENTER_FRAME, Background_Move); stage.addEventListener(Event.ADDED_TO_STAGE, Spawn);

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• Bug Triage

  In this blog post brain dump, I'll attempt to describe the process my team tries to follow when dealing with new bug reports (specifically, code defect reports). This is not official Microsoft policy, just the way we do things… if you do things differently and want to share, you can do so at the bottom in the comments (or on your blog).Feature Triage TeamA subset of the feature crew, the triage team (which has representations from the PM, Dev and QA disciplines), looks at all unassigned bugs at regular intervals. This can be weekly or daily (or other frequency) dependent on which part of the product cycle we are in and what the untriaged bug load looks like. They discuss each bug considering the evidence and make a decision of whether the bug goes from Not Yet Assigned to Assigned (plus the name of the DEV to fix this) or whether it goes from Active to Resolved (which means it gets assigned back to the requestor for closure or further debate if they were not present at the triage meeting). Close to critical milestones, the feature triage team needs to further justify bugs they take to additional higher-level triage teams.Bug Opened = Not Yet AssignedSomeone (typically an SDET from the QA team) creates the bug item (e.g. in TFS), ensuring they populate all the relevant fields including: Title, Description, Repro Steps (including the Actual Result at the end of the steps), attachments of code and/or screenshots, Build number that they observed the issue in, regression details if applicable, how it was found, if a test case exists or needs to be created etc. They also indicate their opinion on the Priority and Severity. The bug status is left as Not Yet Assigned."Issue" versus "Fix for issue"The solution to some bugs is easy to determine, e.g. "bug: the column name is misspelled". Obviously the fix is to correct the spelling – still, the triage team should be explicit and enter the correct spelling in the bug's Description. Note that a bad bug name here would be "bug: fix the spelling of the column" (it describes the solution, rather than the problem).Other solutions are trickier to establish, e.g. "bug: the column header is not accessible (can only be clicked on with the mouse, not reached via keyboard)". What is the correct solution here? The last thing to do is leave this undetermined and just assign it to a developer. The solution has to be entered in the description. Behind this type of a bug usually hides a spec defect or a new feature request.The person opening the bug should focus on describing the issue, rather than the solution. The person indicates what the fix is in their opinion by stating the Expected Result (immediately after stating the Actual Result). If they have a complex suggested solution, that should be split out in a separate part, but the triage team has the final say before assigning it. If the solution is lengthy/complicated to describe, the bug can be assigned to the PM. Note: the strict interpretation suggests that any bug with no clear, obvious solution is always a hole in the spec and should always go to the PM. This also ensures the spec gets updated.Not Yet Assigned - Not Yet Assigned (on someone else's plate)If the bug is observed in our feature, but the cause is actually another team, we change the Area Path (which is the way we identify teams in TFS) and leave it as Not Yet Assigned. The triage team may add more comments as appropriate including potentially changing the repro steps. In some cases, we may even resolve the bug in our area path and open a new bug in the area path of the other team.Even though there is no action on a dev on the team, the bug still needs to be tracked. One way of doing this is to implement some notification system that informs the team when the tracked bug changed status; another way is to occasionally run a global query (against all area paths) for bugs that have been opened by a member of the team and follow up with the current owners for stale bugs.Not Yet Assigned - ResolvedThis state transition can only be made by the Feature Triage Team.0. Sometimes the bug description is not clear and in that case it gets Resolved as More Information Needed, so the original requestor can provide it.After understanding what the bug item is about, the first decision is to determine whether it needs to go to a dev.1. If it is a known bug, it gets resolved as "Duplicate" and linked to the existing bug.2. If it is "By Design" it gets resolved as such, indicating that the triage team does not think this is a bug.3. If the bug does not repro on latest bits, it is resolved as "No Repro"4. The most painful: If it is decided that we cannot fix it for this release it gets resolved as "Postponed" or "Won't Fix". The former is typically due to resources and time constraints, while the latter is due to deciding that it is not important enough to consume our resources in any release (yes, not all bugs must be fixed!). For both cases, there are other factors that contribute to the decision such as: existence of a reasonable workaround, frequency we expect users to encounter the issue, dependencies on other team to offer a solution, whether it breaks a core scenario, whether it prohibits customer feedback on a major feature, is it a regression from a previous release, impact of the fix on other partner teams (e.g. User Education, User Experience, Localization/Globalization), whether this is the right fix, does the fix impact performance goals, and last but not least, severity of bug (e.g. loss of customer data, security threat, crash, hang). The bar for fixing a bug goes up as the release date approaches. The triage team becomes hardnosed about which bugs to take, while the developers are busy resolving assigned bugs thus everyone drives for Zero Bug Bounce (ZBB). ZBB is when you have 0 active bugs older than 48 hours.Not Yet Assigned - AssignedIf the bug is something we decide to fix in this release and the solution is known, then it is assigned to a DEV. This is either the developer that will do the work, or a Lead that can further assign it to one of his developer team based on a load balancing algorithm of their choosing.Sometimes, the triage team needs the dev to do some investigation work before deciding whether to take the fix; similarly, the checkin for the fix may be gated on code review by the triage team. In these cases, these instructions are provided in the comments section of the bug and when the developer is done they notify the triage team for final decision.Additionally, a Priority and Severity (from 0 to 4) has to be entered, e.g. a P0 means "drop anything you are doing and fix this now" whereas a P4 is something you get to after all P0,1,2,3 bugs are fixed.From a testing perspective, if the bug was found through ad-hoc testing or an external team, the decision is made whether test cases should be added to avoid future regressions. This is communicated to the QA team.Assigned - ResolvedWhen the developer receives the bug (they should be checking daily for new bugs on their plate looking at bugs in order of priority and from older to newer) they can send it back to triage if the information is not clear. Otherwise, they investigate the bug, setting the Sub Status to "Investigating"; if they cannot make progress, they set the Sub Status to "Blocked" and discuss this with triage or whoever else can help them get unblocked. Once they are unblocked, they set the Sub Status to "Working on Solution"; once they are code complete they send a code review request, setting the Sub Status to "Fix Available". After the iterative code review process is over and everyone is happy with the fix, the developer checks it in and changes the state of the bug from Active (and Assigned to them) to Resolved (and Assigned to someone else).The developer needs to ensure that when the status is changed to Resolved that it is assigned to a QA person. For example, maybe the PM opened the bug, but it should be a QA person that will verify the fix - the developer needs to manually change the assignee in that case. Typically the QA person will send an email to the original requestor notifying them that the fix is verified.Resolved - ??In all cases above, note that the final state was Resolved. What happens after that? The final step should be Closed. The bug is closed once the QA person verifying the fix is happy with it. If the person is not happy, then they change the state from Resolved to Active, thus sending it back to the developer. If the developer and QA person cannot reach agreement, then triage can be brought into it. An easy way to do that is change the status back to Not Yet Assigned with appropriate comments so the triage team can re-review.It is important to note that only QA can close a bug. That means that if the opener of the bug was a PM, when the bug gets resolved by the dev it may land on the PM's plate and after a quick review, the PM would re-assign to an SDET, which is the only role that can close bugs. One exception to this is if the person that filed the bug is external: in that case, we leave it Resolved and assigned to them and also send them a notification that they need to verify the fix. Another exception is if specialized developer knowledge is needed for verifying the bug fix (e.g. it was a refactoring suggestion bug typically not observable by the user) in which case it is fine to have a developer verify the fix, and ideally a different developer to the one that opened the bug.Other links on bug triageA quick search reveals that others have talked about this subject, e.g. here, here, here, here and here.Your take?If you have other best practices your team uses to deal with incoming bug reports, feel free to share in the comments below or on your blog. Comments about this post welcome at the original blog.

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• Turn Photos and Home Videos into Movies with Windows Live Movie Maker

  - by DigitalGeekery

  Are you looking for an easy way to take your digital photos and videos and turn them into a movie or slideshow? Today we’ll take a detailed look at how to do use Windows Live Movie Maker. Installation Windows Live Movie Maker comes bundled as part of the Windows Live Essentials suite (link below). However, you don’t have to install any of the programs you may not want. Take notice of the You’re almost done screen. Before clicking Continue, be sure to uncheck the boxes to set your search provider and homepage. Adding Pictures and Videos Open Windows Live Movie Maker. You can add videos or photos by simply dragging and dropping them onto the storyboard area. You can also click on the storyboard area or on the Add videos and photos button on the Home tab to browse for videos and photos. Windows Live Movie Maker supports most video, image, and audio file types. Select your files and add click Open to add them to Windows Live Movie Maker. By default WLMM doesn’t allow you to add files from network locations…so check out our article on how to add network support to Windows Live MovieMaker if the files you want to add are on a network drive. Layout All of your added clips will appear in the storyboard area on the right, while the currently selected clip will appear in the preview window on the left. You can adjust the size of the two areas by clicking and dragging the dividing line in the middle.    Make the clips on the storyboard bigger or smaller by clicking on the thumbnail size icon. The slider at the lower right adjusts the zoom time scale.   Previewing your Movie At any time, you can playback your movie and preview how it will look in the Preview window by clicking the space bar, or by pushing the play button under the preview window. You can also manually move the preview bar slider across the storyboard to view the clips as the video progresses. Adjusting Clips on the Storyboard You can click and drag clips on the storyboard to change the order in which the photos and videos appear.   Adding Music Nothing brings a movie to life quite like music. Selecting Add music will add your music to the beginning of the movie. Select Add music at the current point to include it in the movie to the current location of your preview bar slider, then browse for your music clip. WLMM supports many common audio files such as WAV, MP3, M4A, WMA, AIFF, and ASF. The music clip will appear above the video / photos clips on the storyboard.   You can change the location of music clips by clicking and dragging them to a different location on the storyboard. Add Titles, Captions, and Credits To add a Title screen to your movie, click the Title button on the Home tab. Type your title directly into the text box on the preview screen. The title will be placed at the location of the preview slider on the storyboard. However, you can change the location by clicking and dragging title to other areas of the storyboard. On the Format tab, there are a handful of text settings. You can change the font, color, size, alignment,  and transparency. The Adjust group allows you to change the background color, edit the text, and set the length of time the Title will appear in the movie.   The Effects group on the Format tab allows you to select an effect for your title screen. By hovering your cursor over each option, you will get a live preview of how each effect will appear in the preview window. Click to apply any of the effects. For captions, select where you want your caption to appear with the preview slider on the storyboard, then click the captions button on the Home tab. Just like the title, you type your caption directly into the text box on the preview screen, and you can make any adjustments by using the Font and Paragraph, Adjust, and Effects groups above. Credits are done the same as titles and captions, except they are automatically placed at the end of the movie.   Transitions Go to the Animation tab on the ribbon to apply transitions. Select a clip from the storyboard and hover over one of the transition to see it in the preview window. Click on the transition to apply it to the clip. You can apply transitions separately to clips or hold down Ctrl button while clicking to select multiple clips to which to apply the same transition. Pan and zoom effects are also located on the Animations tab, but can be applied to photos only. Like transition, you can apply them individually to a clip or hold down Ctrl button while clicking to select multiple clips to which to apply the same pan and zoom effect. Once applied, you can adjust the duration of the transitions and pan and zoom effects. You can also click the dropdown for additional transitions or effects. Visual Effects Similar to Pan and Zoom and Transitions, you can apply a variety of Visual Effects to individual or multiple clips. Editing Video and Music Note: This does not actually edit the original video you imported into your Windows Live Movie Maker project, only how it appears in your WLMM project. There are some very basic editing tools located on the Home tab. The Rotate left and Rotate right button will adjust any clip that may be oriented incorrectly. The Fit to music button will automatically adjust the duration of the photos (if you have any in your project) to fit the length of the music in your movie. Audio mix allows you to change the volume level   You can also do some slightly more advanced editing from the Edit tab. Select the video clip on the storyboard and click the Trim tool to edit or remove portions of a video clip. Next, click and drag the sliders in the preview windows to select the are you wish to keep. For example, the area outside the sliders is the area trimmed from the movie. The area inside is the section that is kept in the movie. You can also adjust the Start and End points manually on the ribbon.   When you are finished, click Save trim. You can also split your video clips. Move the preview slider to the location in the video clip where you’d like to split it, and select Split. Your video will be split into separate sections. Now you can apply different effects or move them to different locations on the storyboard. Editing Music Clips Select the music clip on the storyboard and then the Options tab on the ribbon. You can adjust the music volume by moving the slider right and left.   You can also choose to have your music clip fade in or out at the beginning and end of your movie. From the Fade in and Fade out dropdowns, select None, Slow, Medium, or Fast. To adjust the sound of your audio clips, click on the Edit tab, select the Video volume button, and adjust the slider. Move it all the way to the left to mute any background noise in your video clips.   AutoMovie As you have seen, Windows Live Movie Maker allows you to add effects, transitions, titles, and more. If you don’t want to do any of that stuff yourself, AutoMovie will automatically add title, credits, cross fade transitions between items, pan and zoom effects to photos, and fit your project to the music. Just select the AutoMovie button on the Home tab. You can go from zero to movie in literally a couple minutes.   Uploading to YouTube You can share your video on YouTube directly from Windows Live Movie Maker. Click on the YouTube icon in the Sharing group on the Home tab. You’ll be prompted for your YouTube username and password. Fill in the details about your movie and click Publish. The movie will be converted to WMV before being uploaded to YouTube. As soon as the YouTube conversion is complete, you’re new movie is live and ready to be viewed. Saving your Movie as a Video File Select the icon at the top left, then select Save movie. As you hover your mouse over each of the options, you will see the output display size, aspect ratio, and estimated file size per minute of video. All of these settings will output your movie as a WMV file. (Unfortunately, the only option is to save a movie as a WMV file.) The only difference is how they are encoded based on preset common settings. The Burn to DVD option also outputs a WMV file, but then opens Windows DVD Maker and walks you through the process of creating and burning a DVD.   If you choose the Burn to DVD option, close this window when the WMV file conversion is complete and the Windows DVD Maker will prompt you to begin. When your movie is finished, it’s time to relax and enjoy.   Conclusion Windows Live Movie Maker makes it easy for the average person to quickly churn out nice looking movies and slideshows from there own pictures and videos. However, long time users of previous editions (formerly called Windows Movie Maker) will likely be disappointed by some features missing in Windows Live Movie Maker that existed in earlier editions. Looking for details on burning your new project to DVD, check out our article on how to create and author DVDs with Windows DVD Maker. Download Windows Live Movie Maker Similar Articles Productive Geek Tips Family Fun: Share Photos with Photo Gallery and Windows Live SpacesCreate and Author DVDs in Windows 7Rotate a Video 90 degrees with VLC or Windows Live Movie MakerInstall Windows Live Essentials In Windows 7How to Make/Edit a movie with Windows Movie Maker in Windows Vista TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 VMware Workstation 7 Acronis Online Backup Windows Firewall with Advanced Security – How To Guides Sculptris 1.0, 3D Drawing app AceStock, a Tiny Desktop Quote Monitor Gmail Button Addon (Firefox) Hyperwords addon (Firefox) Backup Outlook 2010

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• Connecting Linux to WatchGuard Firebox SSL (OpenVPN client)

  Recently, I got a new project assignment that requires to connect permanently to the customer's network through VPN. They are using a so-called SSL VPN. As I am using OpenVPN since more than 5 years within my company's network I was quite curious about their solution and how it would actually be different from OpenVPN. Well, short version: It is a disguised version of OpenVPN. Unfortunately, the company only offers a client for Windows and Mac OS which shouldn't bother any Linux user after all. OpenVPN is part of every recent distribution and can be activated in a couple of minutes - both client as well as server (if necessary). WatchGuard Firebox SSL - About dialog Borrowing some files from a Windows client installation Initially, I didn't know about the product, so therefore I went through the installation on Windows 8. No obstacles (and no restart despite installation of TAP device drivers!) here and the secured VPN channel was up and running in less than 2 minutes or so. Much appreciated from both parties - customer and me. Of course, this whole client package and my long year approved and stable installation ignited my interest to have a closer look at the WatchGuard client. Compared to the original OpenVPN client (okay, I have to admit this is years ago) this commercial product is smarter in terms of file locations during installation. You'll be able to access the configuration and key files below your roaming application data folder. To get there, simply enter '%AppData%\WatchGuard\Mobile VPN' in your Windows/File Explorer and confirm with Enter/Return. This will display the following files: Application folder below user profile with configuration and certificate files From there we are going to borrow four files, namely: ca.crt client.crt client.ovpn client.pem and transfer them to the Linux system. You might also be able to isolate those four files from a Mac OS client. Frankly, I'm just too lazy to run the WatchGuard client installation on a Mac mini only to find the folder location, and I'm going to describe why a little bit further down this article. I know that you can do that! Feedback in the comment section is appreciated. Configuration of OpenVPN (console) Depending on your distribution the following steps might be a little different but in general you should be able to get the important information from it. I'm going to describe the steps in Ubuntu 13.04 (Raring Ringtail). As usual, there are two possibilities to achieve your goal: console and UI. Let's what it is necessary to be done. First of all, you should ensure that you have OpenVPN installed on your system. Open your favourite terminal application and run the following statement: $ sudo apt-get install openvpn network-manager-openvpn network-manager-openvpn-gnome Just to be on the safe side. The four above mentioned files from your Windows machine could be copied anywhere but either you place them below your own user directory or you put them (as root) below the default directory: /etc/openvpn At this stage you would be able to do a test run already. Just in case, run the following command and check the output (it's the similar information you would get from the 'View Logs...' context menu entry in Windows: $ sudo openvpn --config client.ovpn Pay attention to the correct path to your configuration and certificate files. OpenVPN will ask you to enter your Auth Username and Auth Password in order to establish the VPN connection, same as the Windows client. Remote server and user authentication to establish the VPN Please complete the test run and see whether all went well. You can disconnect pressing Ctrl+C. Simplifying your life - authentication file In my case, I actually set up the OpenVPN client on my gateway/router. This establishes a VPN channel between my network and my client's network and allows me to switch machines easily without having the necessity to install the WatchGuard client on each and every machine. That's also very handy for my various virtualised Windows machines. Anyway, as the client configuration, key and certificate files are located on a headless system somewhere under the roof, it is mandatory to have an automatic connection to the remote site. For that you should first change the file extension '.ovpn' to '.conf' which is the default extension on Linux systems for OpenVPN, and then open the client configuration file in order to extend an existing line. $ sudo mv client.ovpn client.conf $ sudo nano client.conf You should have a similar content to this one here: dev tunclientproto tcp-clientca ca.crtcert client.crtkey client.pemtls-remote "/O=WatchGuard_Technologies/OU=Fireware/CN=Fireware_SSLVPN_Server"remote-cert-eku "TLS Web Server Authentication"remote 1.2.3.4 443persist-keypersist-tunverb 3mute 20keepalive 10 60cipher AES-256-CBCauth SHA1float 1reneg-sec 3660nobindmute-replay-warningsauth-user-pass auth.txt Note: I changed the IP address of the remote directive above (which should be obvious, right?). Anyway, the required change is marked in red and we have to create a new authentication file 'auth.txt'. You can give the directive 'auth-user-pass' any file name you'd like to. Due to my existing OpenVPN infrastructure my setup differs completely from the above written content but for sake of simplicity I just keep it 'as-is'. Okay, let's create this file 'auth.txt' $ sudo nano auth.txt and just put two lines of information in it - username on the first, and password on the second line, like so: myvpnusernameverysecretpassword Store the file, change permissions, and call openvpn with your configuration file again: $ sudo chmod 0600 auth.txt $ sudo openvpn --config client.conf This should now work without being prompted to enter username and password. In case that you placed your files below the system-wide location /etc/openvpn you can operate your VPNs also via service command like so: $ sudo service openvpn start client $ sudo service openvpn stop client Using Network Manager For newer Linux users or the ones with 'console-phobia' I'm going to describe now how to use Network Manager to setup the OpenVPN client. For this move your mouse to the systray area and click on Network Connections => VPN Connections => Configure VPNs... which opens your Network Connections dialog. Alternatively, use the HUD and enter 'Network Connections'. Network connections overview in Ubuntu Click on 'Add' button. On the next dialog select 'Import a saved VPN configuration...' from the dropdown list and click on 'Create...' Choose connection type to import VPN configuration Now you navigate to your folder where you put the client files from the Windows system and you open the 'client.ovpn' file. Next, on the tab 'VPN' proceed with the following steps (directives from the configuration file are referred): General Check the IP address of Gateway ('remote' - we used 1.2.3.4 in this setup) Authentication Change Type to 'Password with Certificates (TLS)' ('auth-pass-user') Enter User name to access your client keys (Auth Name: myvpnusername) Enter Password (Auth Password: verysecretpassword) and choose your password handling Browse for your User Certificate ('cert' - should be pre-selected with client.crt) Browse for your CA Certificate ('ca' - should be filled as ca.crt) Specify your Private Key ('key' - here: client.pem) Then click on the 'Advanced...' button and check the following values: Use custom gateway port: 443 (second value of 'remote' directive) Check the selected value of Cipher ('cipher') Check HMAC Authentication ('auth') Enter the Subject Match: /O=WatchGuard_Technologies/OU=Fireware/CN=Fireware_SSLVPN_Server ('tls-remote') Finally, you have to confirm and close all dialogs. You should be able to establish your OpenVPN-WatchGuard connection via Network Manager. For that, click on the 'VPN Connections => client' entry on your Network Manager in the systray. It is advised that you keep an eye on the syslog to see whether there are any problematic issues that would require some additional attention. Advanced topic: routing As stated above, I'm running the 'WatchGuard client for Linux' on my head-less server, and since then I'm actually establishing a secure communication channel between two networks. In order to enable your network clients to get access to machines on the remote side there are two possibilities to enable that: Proper routing on both sides of the connection which enables both-direction access, or Network masquerading on the 'client side' of the connection Following, I'm going to describe the second option a little bit more in detail. The Linux system that I'm using is already configured as a gateway to the internet. I won't explain the necessary steps to do that, and will only focus on the additional tweaks I had to do. You can find tons of very good instructions and tutorials on 'How to setup a Linux gateway/router' - just use Google. OK, back to the actual modifications. First, we need to have some information about the network topology and IP address range used on the 'other' side. We can get this very easily from /var/log/syslog after we established the OpenVPN channel, like so: $ sudo tail -n20 /var/log/syslog Or if your system is quite busy with logging, like so: $ sudo less /var/log/syslog | grep ovpn The output should contain PUSH received message similar to the following one: Jul 23 23:13:28 ios1 ovpn-client[789]: PUSH: Received control message: 'PUSH_REPLY,topology subnet,route 192.168.1.0 255.255.255.0,dhcp-option DOMAIN ,route-gateway 192.168.6.1,topology subnet,ping 10,ping-restart 60,ifconfig 192.168.6.2 255.255.255.0' The interesting part for us is the route command which I highlighted already in the sample PUSH_REPLY. Depending on your remote server there might be multiple networks defined (172.16.x.x and/or 10.x.x.x). Important: The IP address range on both sides of the connection has to be different, otherwise you will have to shuffle IPs or increase your the netmask. {loadposition content_adsense} After the VPN connection is established, we have to extend the rules for iptables in order to route and masquerade IP packets properly. I created a shell script to take care of those steps: #!/bin/sh -eIPTABLES=/sbin/iptablesDEV_LAN=eth0DEV_VPNS=tun+VPN=192.168.1.0/24 $IPTABLES -A FORWARD -i $DEV_LAN -o $DEV_VPNS -d $VPN -j ACCEPT$IPTABLES -A FORWARD -i $DEV_VPNS -o $DEV_LAN -s $VPN -j ACCEPT$IPTABLES -t nat -A POSTROUTING -o $DEV_VPNS -d $VPN -j MASQUERADE I'm using the wildcard interface 'tun+' because I have multiple client configurations for OpenVPN on my server. In your case, it might be sufficient to specify device 'tun0' only. Simplifying your life - automatic connect on boot Now, that the client connection works flawless, configuration of routing and iptables is okay, we might consider to add another 'laziness' factor into our setup. Due to kernel updates or other circumstances it might be necessary to reboot your system. Wouldn't it be nice that the VPN connections are established during the boot procedure? Yes, of course it would be. To achieve this, we have to configure OpenVPN to automatically start our VPNs via init script. Let's have a look at the responsible 'default' file and adjust the settings accordingly. $ sudo nano /etc/default/openvpn Which should have a similar content to this: # This is the configuration file for /etc/init.d/openvpn## Start only these VPNs automatically via init script.# Allowed values are "all", "none" or space separated list of# names of the VPNs. If empty, "all" is assumed.# The VPN name refers to the VPN configutation file name.# i.e. "home" would be /etc/openvpn/home.conf#AUTOSTART="all"#AUTOSTART="none"#AUTOSTART="home office"## ... more information which remains unmodified ... With the OpenVPN client configuration as described above you would either set AUTOSTART to "all" or to "client" to enable automatic start of your VPN(s) during boot. You should also take care that your iptables commands are executed after the link has been established, too. You can easily test this configuration without reboot, like so: $ sudo service openvpn restart Enjoy stable VPN connections between your Linux system(s) and a WatchGuard Firebox SSL remote server. Cheers, JoKi

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• Building a Windows Phone 7 Twitter Application using Silverlight

  - by ScottGu

  On Monday I had the opportunity to present the MIX 2010 Day 1 Keynote in Las Vegas (you can watch a video of it here).  In the keynote I announced the release of the Silverlight 4 Release Candidate (we’ll ship the final release of it next month) and the VS 2010 RC tools for Silverlight 4.  I also had the chance to talk for the first time about how Silverlight and XNA can now be used to build Windows Phone 7 applications. During my talk I did two quick Windows Phone 7 coding demos using Silverlight – a quick “Hello World” application and a “Twitter” data-snacking application.  Both applications were easy to build and only took a few minutes to create on stage.  Below are the steps you can follow yourself to build them on your own machines as well. [Note: In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu] Building a “Hello World” Windows Phone 7 Application First make sure you’ve installed the Windows Phone Developer Tools CTP – this includes the Visual Studio 2010 Express for Windows Phone development tool (which will be free forever and is the only thing you need to develop and build Windows Phone 7 applications) as well as an add-on to the VS 2010 RC that enables phone development within the full VS 2010 as well. After you’ve downloaded and installed the Windows Phone Developer Tools CTP, launch the Visual Studio 2010 Express for Windows Phone that it installs or launch the VS 2010 RC (if you have it already installed), and then choose “File”->”New Project.”  Here, you’ll find the usual list of project template types along with a new category: “Silverlight for Windows Phone”. The first CTP offers two application project templates. The first is the “Windows Phone Application” template - this is what we’ll use for this example. The second is the “Windows Phone List Application” template - which provides the basic layout for a master-details phone application: After creating a new project, you’ll get a view of the design surface and markup. Notice that the design surface shows the phone UI, letting you easily see how your application will look while you develop. For those familiar with Visual Studio, you’ll also find the familiar ToolBox, Solution Explorer and Properties pane. For our HelloWorld application, we’ll start out by adding a TextBox and a Button from the Toolbox. Notice that you get the same design experience as you do for Silverlight on the web or desktop. You can easily resize, position and align your controls on the design surface. Changing properties is easy with the Properties pane. We’ll change the name of the TextBox that we added to username and change the page title text to “Hello world.” We’ll then write some code by double-clicking on the button and create an event handler in the code-behind file (MainPage.xaml.cs). We’ll start out by changing the title text of the application. The project template included this title as a TextBlock with the name textBlockListTitle (note that the current name incorrectly includes the word “list”; that will be fixed for the final release.)  As we write code against it we get intellisense showing the members available.  Below we’ll set the Text property of the title TextBlock to “Hello “ + the Text property of the TextBox username: We now have all the code necessary for a Hello World application.  We have two choices when it comes to deploying and running the application. We can either deploy to an actual device itself or use the built-in phone emulator: Because the phone emulator is actually the phone operating system running in a virtual machine, we’ll get the same experience developing in the emulator as on the device. For this sample, we’ll just press F5 to start the application with debugging using the emulator.  Once the phone operating system loads, the emulator will run the new “Hello world” application exactly as it would on the device: Notice that we can change several settings of the emulator experience with the emulator toolbar – which is a floating toolbar on the top right.  This includes the ability to re-size/zoom the emulator and two rotate buttons.  Zoom lets us zoom into even the smallest detail of the application: The orientation buttons allow us easily see what the application looks like in landscape mode (orientation change support is just built into the default template): Note that the emulator can be reused across F5 debug sessions - that means that we don’t have to start the emulator for every deployment. We’ve added a dialog that will help you from accidentally shutting down the emulator if you want to reuse it.  Launching an application on an already running emulator should only take ~3 seconds to deploy and run. Within our Hello World application we’ll click the “username” textbox to give it focus.  This will cause the software input panel (SIP) to open up automatically.  We can either type a message or – since we are using the emulator – just type in text.  Note that the emulator works with Windows 7 multi-touch so, if you have a touchscreen, you can see how interaction will feel on a device just by pressing the screen. We’ll enter “MIX 10” in the textbox and then click the button – this will cause the title to update to be “Hello MIX 10”: We provide the same Visual Studio experience when developing for the phone as other .NET applications. This means that we can set a breakpoint within the button event handler, press the button again and have it break within the debugger: Building a “Twitter” Windows Phone 7 Application using Silverlight Rather than just stop with “Hello World” let’s keep going and evolve it to be a basic Twitter client application. We’ll return to the design surface and add a ListBox, using the snaplines within the designer to fit it to the device screen and make the best use of phone screen real estate.  We’ll also rename the Button “Lookup”: We’ll then return to the Button event handler in Main.xaml.cs, and remove the original “Hello World” line of code and take advantage of the WebClient networking class to asynchronously download a Twitter feed. This takes three lines of code in total: (1) declaring and creating the WebClient, (2) attaching an event handler and then (3) calling the asynchronous DownloadStringAsync method. In the DownloadStringAsync call, we’ll pass a Twitter Uri plus a query string which pulls the text from the “username” TextBox. This feed will pull down the respective user’s most frequent posts in an XML format. When the call completes, the DownloadStringCompleted event is fired and our generated event handler twitter_DownloadStringCompleted will be called: The result returned from the Twitter call will come back in an XML based format.  To parse this we’ll use LINQ to XML. LINQ to XML lets us create simple queries for accessing data in an xml feed. To use this library, we’ll first need to add a reference to the assembly (right click on the References folder in the solution explorer and choose “Add Reference): We’ll then add a “using System.Xml.Linq” namespace reference at the top of the code-behind file at the top of Main.xaml.cs file: We’ll then add a simple helper class called TwitterItem to our project. TwitterItem has three string members – UserName, Message and ImageSource: We’ll then implement the twitter_DownloadStringCompleted event handler and use LINQ to XML to parse the returned XML string from Twitter.  What the query is doing is pulling out the three key pieces of information for each Twitter post from the username we passed as the query string. These are the ImageSource for their profile image, the Message of their tweet and their UserName. For each Tweet in the XML, we are creating a new TwitterItem in the IEnumerable<XElement> returned by the Linq query.  We then assign the generated TwitterItem sequence to the ListBox’s ItemsSource property: We’ll then do one more step to complete the application. In the Main.xaml file, we’ll add an ItemTemplate to the ListBox. For the demo, I used a simple template that uses databinding to show the user’s profile image, their tweet and their username. <ListBox Height="521" HorizonalAlignment="Left" Margin="0,131,0,0" Name="listBox1" VerticalAlignment="Top" Width="476"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal" Height="132"> <Image Source="{Binding ImageSource}" Height="73" Width="73" VerticalAlignment="Top" Margin="0,10,8,0"/> <StackPanel Width="370"> <TextBlock Text="{Binding UserName}" Foreground="#FFC8AB14" FontSize="28" /> <TextBlock Text="{Binding Message}" TextWrapping="Wrap" FontSize="24" /> </StackPanel> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> Now, pressing F5 again, we are able to reuse the emulator and re-run the application. Once the application has launched, we can type in a Twitter username and press the  Button to see the results. Try my Twitter user name (scottgu) and you’ll get back a result of TwitterItems in the Listbox: Try using the mouse (or if you have a touchscreen device your finger) to scroll the items in the Listbox – you should find that they move very fast within the emulator.  This is because the emulator is hardware accelerated – and so gives you the same fast performance that you get on the actual phone hardware. Summary Silverlight and the VS 2010 Tools for Windows Phone (and the corresponding Expression Blend Tools for Windows Phone) make building Windows Phone applications both really easy and fun.  At MIX this week a number of great partners (including Netflix, FourSquare, Seesmic, Shazaam, Major League Soccer, Graphic.ly, Associated Press, Jackson Fish and more) showed off some killer application prototypes they’ve built over the last few weeks.  You can watch my full day 1 keynote to see them in action. I think they start to show some of the promise and potential of using Silverlight with Windows Phone 7.  I’ll be doing more blog posts in the weeks and months ahead that cover that more. Hope this helps, Scott

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• CodePlex Daily Summary for Thursday, March 04, 2010

  CodePlex Daily Summary for Thursday, March 04, 2010New ProjectsAcPrac: A educational program designed to run on Windows. It is fully customizable. It is developed in C# 2008.argo: Linguistic Tool Camelot: A simple utility for testing cross site data queries in SharePointdelta: Delta is a difference tool for large files. Delta will have several clients, including AJAX and Silverlight. You can view differences in a scroll...EF Dorsal: A dorsal spine for Entity Framework based project. This code generator provides a powerfull Business Layer with almost all high important best p...Excel formatting: Excel formatting projectEyes Recognition: eye recognitionGameOfLife: The Game of Life is a the best example of a cellular automaton. It's developed in C#, SilverLight.GKO Libraries: .NET tool libraries written in C# that we have used in our projectsHello Demo: A simple Hello World application, used to demonstrate access to CodePlex using Team Explorerjog.Portal: jogportal lays the foundation for an extensible portal solution leveraging the latest technology including linq and silver lightKM Brasil: k-meleon, km, gecko, brasil, browser, web, web browser, navegador, navegação, kmeleon, k meleonLost in Translation: Ever find yourself in a foreign country eager (or clueless) to what is written on a shop sign or restaurant menu? With your trusty phone, its came...Machine Learning for .NET: Machine Learning Library for .NET. Initial inclusions will be binary and multi-class classification as well as standard clustering algorithms.Maito: Iron Kingdoms Name GeneratorManPowerEngine: ManPowerEngine is a Silverlight 2D Game Engine. It has an game application framework and supports game object hierarchy management, 2D physics simu...Marvin's Arena: Marvin's Arena is a free and entertaining programming game. The game is designed to easily learn programming in any .NET compatible language. It is...MultiMediaPlayer: 整合我们的内容NCacheD - A Simple Distributed .NET Cache using the TPL and WCF: NCacheD is a simple distributed cache system written in .NET. NCacheD offers functionality similar to that of MemcacheD but scaled back. NCacheD ...NDAP: OPeNDAP is a client/server system for making local scientific data accessible to remote locations without regard to the local or remote storage for...Open Guide CMS: Open Guide makes your traveling through city more adventurous, mode educational and more funny. You can support us by lines of code, by interesti...Rollback - A social backup tool.: Rollback is a simple and intuitive social backup application. You can create multiple backup jobs with a few mouse clicks and even schedule it to ...sELedit: An editor for elements.data file of the popular MMORPG Perfect World.SharePoint Theme Applicator: SharePoint Theme Applicator will give SharePoint administrators the ability to apply a theme accross a whole web application (i.e. apply a theme to...sPATCH: ! sPATCH - Perfect World Client Autopatcher This beta patcher is an alternative to the default perfect world patcher. It offers easy client patc...Wiggle: A-life investigation. Let's make little squirmies!WPFSLBlendModeFx: A blend mode library for WPF & Silverlight.休息提醒: 程序员们，尤其是像我这样对程序痴狂的程序员们。一旦研究起自己感兴趣的程序时，觉得上厕所都是浪费时间。 这个程序是在设定的时间后锁定计算机或关闭显示器，从而从某种程度强迫程序员们去休息New ReleasesAMFParser: 1.1.0: Add handling of DSK object when using BlazeDS Add handling of string references Add handling of DateTime values Correct handling of Double values B...Camelot: Camelot 0.1 Alpha: Early release: 1) Query by content type, optionally list or base template 2) Query by list or base templateDictionary Translator for Umbraco: Dictionary Translator 1.1: This is a minor release that fixes a bug that Thomas Hohler found on the first day of release This package is to be used with the ASP.NET open sou...Dynamic Configuration: Sample Application Release 1: These binaries demonstrate the effect of using DynamicConfigurationManager. The source-code for these binaries is available in the 'Source Code' t...EF Dorsal: EFDorsal v0.3b: Second real version. This version add suport to types and entity sets in tree-view.Enterprise Library Extensions: Release 1.0: This is the initial release of the package. The release will contain one feature only, as being able to deploy the project itself it the milestone ...Free Silverlight & WPF Chart Control - Visifire: Visifire SL and WPF Charts v3.0.4 beta 2 Released: Hi, Today’s release contains fix for the following issues: * In WPF application chart was throwing exception as VisualStateGroup was not foun...GameOfLife: Game of life: First release of the game. PublishedGameStore League Manager: League Manager 1.0 release 2.: Fixes crashing bugs from the first release. To use: 1. Install SQL Server Express 2005 http://www.microsoft.com/Sqlserver/2005/en/us/express-down....Marvin's Arena: Version 0.0.5.0: Code Editor (development of robots without Visual Studio - no debugging) * Rounds * 3D Battle Engine: Skybox * 3D Battle Engine: Robot...Morphfolia - ASP.NET CMS and Framework: Morphfolia v2.4.1.1: Morphfolia v2.4.1.1 - New Release Includes: Better support for browsers other than IE (Chrome, Firefox, Safari - all tested on Windows) Supports ...NCacheD - A Simple Distributed .NET Cache using the TPL and WCF: NCacheD Version 1: Getting Started To get up and running, open two instances of Visual Studio 2010. In one window open the NCacheD client solution and then open the ...Papercut: Papercut 2010-3-3: This release includes a few bug fixes and updates, several of which were contributed patches (thanks!). Feature: Added support for embedded images...PE-file Reader Writer API (PERWAPI): PERWAPI-1.1.4: Perwapi version 1.1.4 is the complete distribution package. It contains Binary files, pdb files and xml files for the PERWAPI and SymbolRW compone...Prolog.NET: Prolog.NET 1.0 Beta 1.2: Installer includes: primary Prolog.NET assembly Prolog.NET Workbench PrologTest console application all required dependencies Beta 1.2 in...Protoforma | Tactica Adversa: Skilful 0.2.4.320: BetaRoTwee: RoTwee 6.1.0.0: 16604 "Post playing tune feature" is added. Using this new feature, you can tweet tune playing in iTunes. 16625 Error processing for network error...sELedit: sELedit v1.0: -SharePoint 2007 Deployment Wizard: Support for SharePoint Server and Foundation 2010: This release encompasses the supported install paths for the default install of SPS 2010 (the 14 hive). All three versions are now supported (60 h...SharePoint Theme Applicator: SharePoint Theme Applicator: SharePoint Theme Applicator was built using C# and WPF, it includes the following features: Provides the total number of site collections in the g...Shinkansen: compress, crunch, combine, and cache JavaScript and CSS: Shinkansen 1.0.0.030310: Build 1.0.0.030310, binaries onlysPATCH: sPatcher v0.8: sPatch - Server Example *Contains a sample Patch that "downgrades" PWI 1.4.2 Client to an 1.3.6 ClientTFS Code Comment Checking Policy (CCCP): CCCP 3.0 for VSTS 2008 SP1: This release includes NRefactory 3.2.0.5571 and is built against VSTS 2008 SP1 (.NET 3.5 is required). New: horizontal scrollbar in listboxes for ...TortoiseHg: Beta for TortoiseHg 1.0 (0.9.31254): Please backup your user Mercurial.ini file and then uninstall any 0.9.X release before installing Use the x86 msi file for 32 bit platforms and th...TwitEclipseAPI: TwitEclipseAPI 0.9: 0.9 Release of TwitEclipseAPI Moved API calls to the api.Twitter.com URL. Moved API calls to the versioning API. Now uses the increased Rate Limit...TwitterVB - A .NET Twitter Library: TwitterVB-2.3: Patch 5151: Added BlockedUsers function to get a page other then the first Patch 5420: The ListMembers function will now return more then just th...休息提醒: 初始版本: 初始版本Most Popular ProjectsMetaSharpRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)Microsoft SQL Server Community & SamplesASP.NETLiveUpload to FacebookMost Active ProjectsRawrBlogEngine.NETMapWindow GISpatterns & practices – Enterprise LibraryjQuery Library for SharePoint Web ServicesMDT Web FrontEndsvn2tfsDiffPlex - a .NET Diff GeneratorIonics Isapi Rewrite FilterFarseer Physics Engine

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• Ajax Control Toolkit November 2011 Release

  - by Stephen Walther

  I’m happy to announce the November 2011 Release of the Ajax Control Toolkit. This release introduces a new Balloon Popup control and several enhancements to the existing Tabs control including support for on-demand loading of tab content, support for vertical tabs, and support for keyboard tab navigation. We also fixed the top-voted bugs associated with the Tabs control reported at CodePlex.com. You can download the new release by visiting the CodePlex website: http://AjaxControlToolkit.CodePlex.com Alternatively, the fast and easy way to get the latest release of the Ajax Control Toolkit is to use NuGet. Open your Library Package Manager console in Visual Studio 2010 and type: After you install the Ajax Control Toolkit through NuGet, please do a Rebuild of your project (the menu option Build, Rebuild). After you do a Rebuild, the ajaxToolkit prefix will appear in Intellisense: Using the Balloon Popup Control Why a new Balloon Popup control? The Balloon Popup control is the second most requested new feature for the Ajax Control Toolkit according to CodePlex votes: The Balloon Popup displays a message in a balloon when you shift focus to a control, click a control, or hover over a control. You can use the Balloon Popup, for example, to display instructions for TextBoxes which appear in a form: Here’s the code used to create the Balloon Popup: <ajaxToolkit:ToolkitScriptManager ID="tsm1" runat="server" /> <asp:TextBox ID="txtFirstName" Runat="server" /> <asp:Panel ID="pnlFirstNameHelp" runat="server"> Please enter your first name </asp:Panel> <ajaxToolkit:BalloonPopupExtender TargetControlID="txtFirstName" BalloonPopupControlID="pnlFirstNameHelp" BalloonSize="Small" UseShadow="true" runat="server" /> You also can use the Balloon Popup to explain hard to understand words in a text document: Here’s how you display the Balloon Popup when you hover over the link: The point of the conversation was <asp:HyperLink ID="lnkObfuscate" Text="obfuscated" CssClass="hardWord" runat="server" /> by his incessant coughing. <ajaxToolkit:ToolkitScriptManager ID="tsm1" runat="server" /> <asp:Panel id="pnlObfuscate" Runat="server"> To bewilder or render something obscure </asp:Panel> <ajaxToolkit:BalloonPopupExtender TargetControlID="lnkObfuscate" BalloonPopupControlID="pnlObfuscate" BalloonStyle="Cloud" UseShadow="true" DisplayOnMouseOver="true" Runat="server" />   There are four important properties which you need to know about when using the Balloon Popup control: BalloonSize – The three balloon sizes are Small, Medium, and Large. BalloonStyle -- The two built-in styles are Rectangle and Cloud. UseShadow – When true, a drop shadow appears behind the popup. Position – Can have the values Auto, BottomLeft, BottomRight, TopLeft, TopRight. When set to Auto, which is the default, the Balloon Popup will appear where it has the most screen real estate. The following screenshots illustrates how these settings affect the appearance of the Balloon Popup: Customizing the Balloon Popup You can customize the appearance of the Balloon Popup by creating your own Cascading Style Sheet and Sprite. The Ajax Control Toolkit sample site includes a sample of a custom Oval Balloon Popup style: This custom style was created by using a custom Cascading Style Sheet and image. You point the Balloon Popup at a custom Cascading Style Sheet and Cascading Style Sheet class by using the CustomCssUrl and CustomClassName properties like this: <asp:TextBox ID="txtCustom" autocomplete="off" runat="server" /> <br /> <asp:Panel ID="Panel3" runat="server"> This is a custom BalloonPopupExtender style created with a custom Cascading Style Sheet. </asp:Panel> <ajaxToolkit:BalloonPopupExtender ID="bpe1" TargetControlID="txtCustom" BalloonPopupControlID="Panel3" BalloonStyle="Custom" CustomCssUrl="CustomStyle/BalloonPopupOvalStyle.css" CustomClassName="oval" UseShadow="true" runat="server" />   Learn More about the Balloon Popup To learn more about the Balloon Popup control, visit the sample page for the Balloon Popup at the Ajax Control Toolkit sample site: http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/BalloonPopup/BalloonPopupExtender.aspx Improvements to the Tabs Control In this release, we introduced several important new features for the existing Tabs control. We also fixed all of the top-voted bugs for the Tabs control. On-Demand Loading of Tab Content Here is the scenario. Imagine that you are using the Tabs control in a Web Forms page. The Tabs control displays two tabs: Customers and Products. When you click the Customers tab then you want to see a list of customers and when you click on the Products tab then you want to see a list of products. In this scenario, you don’t want the list of customers and products to be retrieved from the database when the page is initially opened. The user might never click on the Products tab and all of the work to load the list of products from the database would be wasted. In this scenario, you want the content of a tab panel to be loaded on demand. The products should only be loaded from the database and rendered to the browser when you click the Products tab and not before. The Tabs control in the November 2011 Release of the Ajax Control Toolkit includes a new property named OnDemand. When OnDemand is set to the value True, a tab panel won’t be loaded until you click its associated tab. Here is the code for the aspx page: <ajaxToolkit:ToolkitScriptManager ID="tsm1" runat="server" /> <ajaxToolkit:TabContainer ID="tabs" OnDemand="false" runat="server"> <ajaxToolkit:TabPanel HeaderText="Customers" runat="server"> <ContentTemplate> <h2>Customers</h2> <asp:GridView ID="grdCustomers" DataSourceID="srcCustomers" runat="server" /> <asp:SqlDataSource ID="srcCustomers" SelectCommand="SELECT * FROM Customers" ConnectionString="<%$ ConnectionStrings:StoreDB %>" runat="server" /> </ContentTemplate> </ajaxToolkit:TabPanel> <ajaxToolkit:TabPanel HeaderText="Products" runat="server"> <ContentTemplate> <h2>Products</h2> <asp:GridView ID="grdProducts" DataSourceID="srcProducts" runat="server" /> <asp:SqlDataSource ID="srcProducts" SelectCommand="SELECT * FROM Products" ConnectionString="<%$ ConnectionStrings:StoreDB %>" runat="server" /> </ContentTemplate> </ajaxToolkit:TabPanel> </ajaxToolkit:TabContainer> Notice that the TabContainer includes an OnDemand=”True” property. The Tabs control contains two Tab Panels. The first tab panel uses a DataGrid and SqlDataSource to display a list of customers and the second tab panel uses a DataGrid and SqlDataSource to display a list of products. And here is the code-behind for the page: using System; using System.Diagnostics; using System.Web.UI.WebControls; namespace ACTSamples { public partial class TabsOnDemand : System.Web.UI.Page { protected override void OnInit(EventArgs e) { srcProducts.Selecting += new SqlDataSourceSelectingEventHandler(srcProducts_Selecting); } void srcProducts_Selecting(object sender, SqlDataSourceSelectingEventArgs e) { Debugger.Break(); } } } The code-behind file includes an event handler for the Products SqlDataSource Selecting event. The handler breaks into the debugger by calling the Debugger.Break() method. That way, we can know when the Products SqlDataSource actually retrieves the list of products. When the OnDemand property has the value False then the Selecting event handler is called immediately when the page is first loaded. The contents of all of the tabs are loaded (and the contents of the unselected tabs are hidden) when the page is first loaded. When the OnDemand property has the value True then the Selecting event handler is not called when the page is first loaded. The event handler is not called until you click on the Products tab. If you never click on the Products tab then the list of products is never retrieved from the database. If you want even more control over when the contents of a tab panel gets loaded then you can use the TabPanel OnDemandMode property. This property accepts the following three values: None – Never load the contents of the tab panel again after the page is first loaded. Once – Wait until the tab is selected to load the contents of the tab panel Always – Load the contents of the tab panel each and every time you select the tab. There is a live demonstration of the OnDemandMode property here in the sample page for the Tabs control: http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/Tabs/Tabs.aspx Displaying Vertical Tabs With the November 2011 Release, the Tabs control now supports vertical tabs. To create vertical tabs, just set the TabContainer UserVerticalStripPlacement property to the value True like this: <ajaxToolkit:TabContainer ID="tabs" OnDemand="false" UseVerticalStripPlacement="true" runat="server"> <ajaxToolkit:TabPanel ID="TabPanel1" HeaderText="First Tab" runat="server"> <ContentTemplate> <p> Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Maecenas porttitor congue massa. Fusce posuere, magna sed pulvinar ultricies, purus lectus malesuada libero, sit amet commodo magna eros quis urna. </p> </ContentTemplate> </ajaxToolkit:TabPanel> <ajaxToolkit:TabPanel ID="TabPanel2" HeaderText="Second Tab" runat="server"> <ContentTemplate> <p> Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Maecenas porttitor congue massa. Fusce posuere, magna sed pulvinar ultricies, purus lectus malesuada libero, sit amet commodo magna eros quis urna. </p> </ContentTemplate> </ajaxToolkit:TabPanel> </ajaxToolkit:TabContainer> In addition, you can use the TabStripPlacement property to control whether the tab strip appears at the left or right or top or bottom of the tab panels: Tab Keyboard Navigation Another highly requested feature for the Tabs control is support for keyboard navigation. The Tabs control now supports the arrow keys and the Home and End keys. In order for the arrow keys to work, you must first move focus to the tab control on the page by either clicking on a tab with your mouse or repeatedly hitting the Tab key. You can try out the new keyboard navigation support by trying any of the demos included in the Tabs sample page: http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/Tabs/Tabs.aspx Summary I hope that you take advantage of the new Balloon Popup control and the new features which we introduced for the Tabs control. We added a lot of new features to the Tabs control in this release including support for on-demand tabs, support for vertical tabs, and support for tab keyboard navigation. I want to thank the developers on the Superexpert team for all of the hard work which they put into this release.

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• The Low Down Dirty Azure Blues

  - by SGWellens

  Remember the SETI screen savers that used to be on everyone's computer? As far I as know, it was the first bona-fide use of "Cloud" computing…albeit an ad hoc cloud. I still think it was a brilliant leveraging of computing power. My interest in clouds was re-piqued when I went to a technical seminar at the local .Net User Group. The speaker was Mike Benkovitch and he expounded magnificently on the virtues of the Azure platform. Mike always does a good job. One killer reason he gave for cloud computing is instant scalability. Not applicable for most applications, but it is there if needed. I have a bunch of files stored on Microsoft's SkyDrive platform which is cloud storage. It is painfully slow. Accessing a file means going through layers and layers of software, redirections and security. Am I complaining? Hell no! It's free! So my opinions of Cloud Computing are both skeptical and appreciative. What intrigued me at the seminar, in addition to its other features, is that Azure can serve as a web hosting platform. I have a client with an Asp.Net web site I developed who is not happy with the performance of their current hosting service. I checked the cost of Azure and since the site has low bandwidth/space requirements the cost would be competitive with the existing host provider: Azure Pricing Calculator. And, Azure has a three month free trial. Perfect! I could try moving the website and see how it works for free. I went through the signup process. Everything was proceeding fine until I went to the MS SQL database management screen. A popup window informed me that I needed to install Silverlight on my machine. Silverlight? No thanks. Buh-Bye. I half-heartedly found the Azure support button and logged a ticket telling them I didn't want Silverlight on my machine. Within 4 to 6 hours (and a myriad (5) of automated support emails) they sent me a link to a database management page that did not require Silverlight. Thanks! I was able to create a database immediately. One really nice feature was that after creating the database, I was given a list of connection strings. I went to the current host provider, made a backup of the database and saved it to my machine. I attached to the remote database using SQL Server Studio 2012 and looked for the Restore menu item. It was missing. So I tried using the SQL command: RESTORE DATABASE MyDatabase FROM DISK ='C:\temp\MyBackup.bak' Msg 40510, Level 16, State 1, Line 1 Statement 'RESTORE DATABASE' is not supported in this version of SQL Server. Are you kidding me? Why on earth…? This can't be happening! I opened both the source database and destination database in SQL Management Studio. I right clicked the source database, selected "Tasks" and noticed a menu selection called "Deploy Database to SQL Azure" Are you kidding me? Could it be? Oh yes, it be! There was a small problem because the database already existed on the Azure machine, I deployed to a new name, deleted the existing database and renamed the deployed database to what I needed. It was ridiculously easy. Being able to attach SQL Management Studio to remote databases is an awesome but scary feature. You can limit the IP addresses that can access the database which enhances security but when you give people, any people, me included, that much power, one errant mouse click could bring a live system down. My Advice: Tread softly and carry a large backup thumb-drive. Then I created a web site, the URL it returned look something like this: http://MyWebSite.azurewebsites.net/ Azure supports FTP, but I couldn't figure out the settings until I downloaded the publishing profile. It was an XML file that contained the needed information. I still couldn't connect with my FTP client (FileZilla). After about an hour of messing around, I deleted the port number from the FileZilla setup page….and voila, I was in like Flynn.   There are other options of deploying directly from Visual Studio, TFS, etc. but I do not like integrated tools that do things without my asking: It's usually hard to figure out what they did and how to undo it. I uploaded the aspx , cs , webconfig, etc. files. Bu it didn't run. The site I ported was in .NET 3.5. The Azure website configuration page gave me a choice between .NET 2.0 and 4.0. So, I switched to Visual Studio 2010, chose .NET 4.0 and upgraded the site. Of course I have the original version completely backed up and stored in a granite cave beneath the Nevada desert. And I have a backup CD under my pillow. The site uses ReportViewer to generate PDF documents. Of course it was the wrong version. I removed the old references to version 9 and added new references to version 10 (*see note below). Since the DLLs were not on the Azure Server, I uploaded them to the bin directory, crossed my fingers, burned some incense and gave it a try. After some fiddling around it ran. I don't know if I did anything particular to make it work or it just needed time to sort things out. However, one critical feature didn't work: ReportViewer could not programmatically generate PDF documents. I was getting this exception: "An error occurred during local report processing. Parameter is not valid." Rats. I did some searching and found other people were having the same problem, so I added a post saying I was having the same problem: http://social.msdn.microsoft.com/Forums/en-US/windowsazurewebsitespreview/thread/b4a6eb43-0013-435f-9d11-00ee26a8d017 Currently they are looking into this problem and I am waiting for the results. Hence I had the time to write this BLOG entry. How lucky you are. This was the last message I got from the Microsoft person: Hi Steve, Windows Azure Web Sites is a multi-tenant environment. For security issue, we limited some API calls. Unfortunately, some GDI APIS required by the PDF converting function are in this list. We have noticed this issue, and still investigation the best way to go. At this moment, there is no news to share. Sorry about this. Will keep you posted. If I had to guess, I would say they are concerned with people uploading images and doing intensive graphics programming which would hog CPU time.  But that is just a guess. Another problem. While trying to resolve the ReportViewer problem, I tried to write a file to the PDF directory to see if there was a permissions problem with some test code: String MyPath = MapPath(@"~\PDFs\Test.txt"); File.WriteAllText(MyPath, "Hello Azure");     I got this message: Access to the path <my path> is denied. After some research, I understood that since Azure is a cloud based platform, it can't allow web applications to save files to local directories. The application could be moved or replicated as scaling occurs and trying to manage local files would be problematic to say the least. There are other options: Use the Azure APIs to get a path. That way the location of the storage is separated from the application. However, the web site is then tied Azure and can't be moved to another hosting platform. Use the ApplicationData folder (not recommended). Write to BLOB storage. Or, I could try and stream the PDF output directly to the email and not save a file. I'm not going to work on a final solution until the ReportViewer is fixed. I am just sharing some of the things you need to be aware of if you decide to use Azure. I got this information from here. (Note the author of the BLOG added a comment saying he has updated his entry). Is my memory faulty? While getting this BLOG ready, I tried to write the test file again. And it worked. My memory is incorrect, or much more likely, something changed on the server…perhaps while they are trying to get ReportViewer to work. (Anyway, that's my story and I'm sticking to it). *Note: Since Visual Studio 2010 Express doesn't include a Report Editor, I downloaded and installed SQL Server Report Builder 2.0. It is a standalone Report Editor to replace the one not in Visual Studio 2010 Express. I hope someone finds this useful. Steve Wellens CodeProject

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• CodePlex Daily Summary for Wednesday, June 09, 2010

  CodePlex Daily Summary for Wednesday, June 09, 2010New Projects.NET Transactional File Manager: Transactional File Manager is a .NET API that supports including file system operations such as file copy, move, delete in a transaction. It's an i...3D World Studio Content Pipeline for Windows Phone 7: This is a port of PhotonicGames' project: http://xna3dws.codeplex.com/releases/view/42994 for the Windows Phone 7 tools (XNA 4.0 CTP).Advanced Script Editor for 3D Rad: Advanced Script Editor makes it easier for 3D Rad coders to write scripts. Developed in C#, it features a functions list, a favourites list, object...Ajax ASP.Net Forum: A fast & lightweight open source free forum developed in ASP.Net 3.5, AJAX, CSS, SQL & Javascript Cache (filter-sort-move through table records at ...Axon: Axon is the home automation system that I will be running in my home. It will be a collection of different technologies and projects, often experim...BigBallz: Projeto de site de Bolões para campeonatos diversos. A princípio pensado para copa do mundo de futebol de 2010BigfootMVC: MVC Framework for DotNetNukeBigfootSQL: A StringBuilder for SQL. BigfootSQL was built with simplicity in mind. It assumes that you are comfortable writing SQL but dislike effort required ...Bxf (Basic XAML Framework): Basic Xaml Framework (Bxf) is a simple, streamlined set of UI components designed to demonstrate the minimum framework functionality required to ma...elZerf - elektronische Zeiterfassung: elektronisches Zeiterfassungsystem im Rahmen der Seminararbeit im Modul Web-Anwendungsprogrammierung.IntoFactories.Net - Samples: Project to host samples created by members of the IntoFactories.NET Team blog.Lanchonete: Sistema para controle de lanchonetes. Medieval Dynasties: Medieval Dynasties is a game written in C# 3.5 and XNA 3.1 at the moment. It is inspired by Crusader Kings, Total War and Civilization.PMMsg: A project to replace the standard messaging client on the Windows Mobile platform. Mainly geared towards Windows Mobile 6.5.3 VGA devices. Also an...PunkPong: PunkPong is an open source "Pong" alike game totally written in DHTML (JavaScript, CSS and HTML) that uses keyboard or mouse. This cross-platform a...Renegade Legion Fighter Calculator: In working on assigning fighters to squadrons, flights, and groups for a campaign, I was struck by the sheer amount of calculations I had to make. ...Sharpotify - Spotify .Net Library: Sharpotify is a Spotify library in C#. It is based in Jotify and SharPot projects. It is not a libspotify wrapper, It is a full .Net Spotify protoc...Silverlight load on demand with MEF: With MEF, a Silverlight control can be split in several packages(xap files). Each package can contain one or more pages and it will download on dem...SOLID by example: Source code examples to undestood solid design principles. Most of them were taken from http://www.lostechies.com/SQL Server 2008 Reporting Services RS.EXE Supporting Forms Authentication: A version of RS.EXE that you can use with Forms Authentication in Native Mode. Use the following arguments to specify credentials (just like Basic ...Stripper: Stripper Remove Diacritics and other unwanted caracter to fabric a more standardized file naming.study: studyUncoverPIC: UncoverPIC is a Silverlight Game strongly inspired to the famous Arcade Game "GalsPanic" (see http://en.wikipedia.org/wiki/Gals_Panic ). It was dev...Unity3D Untitled MMO: Unity3D Untitled MMO FrameworkUnnamedShop: UnnamedShopXBStudio.asp.net.automation: A Unit Testing Automation library for asp.netXBStudio.Web: XBStudio Web ApplicationNew Releases3D World Studio Content Pipeline for Windows Phone 7: Initial Release (0.1): This is the first release of the project, with plenty of hackery and kludges to go around, but it mostly works! Let me know if you hit any bugs.Acies: Acies - Alpha Build 0.0.10: Alpha release. Requires Microsoft XNA Framework Redistributable 3.1 (http://www.microsoft.com/downloads/details.aspx?FamilyID=53867a2a-e249-4560-...Advanced Script Editor for 3D Rad: Advanced Script Editor - Version 2.6: Despite various previous releases on the 3D Rad forum, this is the first release on CodePlex.Ajax ASP.Net Forum: First Release: First Release prior to CodePlex Publish (send to admins)So, it doesn't all finish VERSION: 0.1.2 FEATURES Main Home Where all the Forums (called ...Artist Follower for Microsoft Access: Artist Follower 0.5.1: Artists Follower changes: Just one form to manage artists and links!!!Artist Follower for Microsoft Access: Artists Follower 0.5.0: This is the first release of Artist Follower.ASP.NET MVC SiteMap provider - MvcSiteMapProvider: MvcSiteMapProvider 2.0.0 CTP1: This is a community technology preview of MvcSiteMapProvider version 2.0. It is not backwards compatible with older MvcSiteMapProvider versions. ...B&W Port Scanner: Black`n`White Port Scanner 4.0: Version 4 includes: - Improved vulnerability detection tools - Report Creation - Improved Stability - Much better port information database - Nume...BaseCalendar: BaseControls 1.1: BaseControls 1.1 contains the BaseCalendar ASP.NET control. Changes: Rendering TH by default inside THEAD. Added option (ShowMinNumWeeks) to r...BigfootSQL: BigfootSQL Source Code: BigfootSQL C# Version 01Commerce Server 2009 Orders using Pipelines in a Console Application: ConsoleApplication To PLace Orders: ConsoleApplication To PLace Orders with Commerce Server 2009 foundationCommunity Forums NNTP bridge: Community Forums NNTP Bridge V33: Release of the Community Forums NNTP Bridge to access the social and anwsers MS forums with a single, open source NNTP bridge. This release has ad...Community Forums NNTP bridge: Community Forums NNTP Bridge V34: Release of the Community Forums NNTP Bridge to access the social and anwsers MS forums with a single, open source NNTP bridge. This release has ad...ContainerOne - C# application server: V0.1.2.0: New minor release containing: Integration test component for runtime testing Refactored and cleaned solution files First unit testsExtend SmallBasic: Teaching Extensions v.020: Moved Tortoise.approve to ProgramWindow.TakeScreenShot()fleet It: v0.06 Alpha: v0.06 Alpha - Features Caching implemented for fleets Various Bug fixes Implemented Settings. Resolved logical issue with Getting fleets U...Frotz.NET: Frotz.NET B2: In addition to B1 changes: - Added ZTools to enable debugging view of zcode files - Added rudimentary scroll back buffer. B1 Changes: - Got Adapt...FsObserver: FsObserver 2.0: This is basically the same as FsObserver 1.0 but the "-help" documentation has been cleaned up somewhat and the code has been refactored so that it...GPdotNET - Genetic Programming Tool: GPdotNETv1.0: GPdotNET v.1.0 - more details on http.bhrnjica.wordpress.com/gpdotnetHERB.IQ: Alpha 0.1 Source code release 8: Alpha 0.1 Source code release 8imdb movie downloader: myImdb 0.9.3: myImdb 0.9.3imdb movie downloader: myImdb 0.9.4: myImdb 0.9.4jccc .NET smart framework: jccc .NET smart framework version 1.2010.06.07: jccc .NET smart framework version 1.2010.06.07 added oracle databases supportLongBar: LongBar 2.1 Build 313: - Fixed library and updates to work with updated live services - Options: You can disable shadow nowMDownloader: MDownloader-0.15.17.59623: Fixed FileFactory provider. Improvied postpone policies. Added network request limiter.MediaCoder.NET: MediaCoder.NET v1.0 beta 1.1: Installer for MediaCoder.NET v1.0 beta1.1. It can now convert files with spaces in the path or filename. I have also created filter for the SaveFil...MediaCoder.NET: MediaCoder.NET v1.0 beta 1.1 Source Code: Source Code for MediaCoder.NET v1.0 beta 1.1.mesoBoard: mesoBoard - 0.9.1 beta: Fixed file download permissions Released under the New BSD License.MPCLI: Alpha Release (0.1.0.0): This release has core functionality and is considered a potential candidate for a feature complete release of this library. However, suggestions fo...N2 CMS: 2.0: N2 is a lightweight CMS framework for ASP.NET. It helps professional developers build great web sites that anyone can update. Major Changes (1.5 -...NHTrace: NHTrace-47571: NHTrace-47571NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Class Libraries, version 1.0.1.125: The NodeXL class libraries can be used to display network graphs in .NET applications. To include a NodeXL network graph in a WPF desktop or Windo...NSoup: NSoup 0.2: NSoup 0.2 corresponds to jsoup version 1.1.1. List of changes can be viewed here.Opalis Community Releases: Integration Pack for Data Manipulation: The Integration Pack for Data Manipulation enables you to perform a wider variety of data manipulation tasks as well as aggregate data into common ...Performance Analysis of Logs (PAL) Tool: PAL v2.0 Beta 1: Fixed Counter Sorting: Fixed a minor bug where duplicate counter expression paths were not being removed. Analysis Added: Added LogicalDisk Read/...RoTwee: RoTwee (12.0.0.0): Trial version. 17925 Make it possible to change window sizeSharpotify - Spotify .Net Library: Sharpotify.Library 1.0: Sharpotify Library: Stable release. You can connect with spotify, search, browse (tracks, albums, artists), get a music stream, create and edit you...Silverlight load on demand with MEF: mal.Web.Silverlight.MEF 1.0.0.0: mal.Web.Silverlight.MEF 1.0.0.0sMAPtool: sMAPtool v0.7e (without Maps): + Added: color value expansion bar for hmap (right click to select color scheme) + Added: more complex hmap editing, uses now 4 point bounding rect...SQL Server 2008 Reporting Services RS.EXE Supporting Forms Authentication: Initial release: Enjoy!Stripper: Stripper 0.1.1 (CLi): Stripper Remove Diacritics and other unwanted caracters to fabric a more standardized file naming. Especially French caracter and maybe other lang...Unity3D Untitled MMO: v1: versionUrzaGatherer: UrzaGatherer 2.01a: New version with some minors bugs corrected.VCC: Latest build, v2.1.30608.0: Automatic drop of latest buildVCC: Latest build, v2.1.30608.1: Automatic drop of latest buildWatermarker.NET: 0.1.3811: A newer version with some improvements. I release this as a .zip archive, because settings are added here, so there will be .exe and .config files.Yet Another GPS: Alfa Release: Alfa working releaseMost Popular ProjectsDozer Enterprise Library for .NETEmployee Management SystemWiiMote PhysicsVisualStudio 2010 JavaScript OutliningSpider CompilerConcurrent CacheOil Slick Live FeedsCSUFVGDC Summer JamWinGetSiteMap Utility for DNN Blog ModuleMost Active ProjectsCommunity Forums NNTP bridgepatterns & practices – Enterprise LibraryRhyduino - Arduino and Managed CodejQuery Library for SharePoint Web ServicesRawrNB_Store - Free DotNetNuke Ecommerce Catalog ModuleAndrew's XNA HelpersBlogEngine.NETStyleCopCustomer Portal Accelerator for Microsoft Dynamics CRM

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