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  • Windows 7 randomly installs an "Unknown Device" successfully

    - by Amazed
    Rarely (several days to weeks between occurrences,) and seemingly at random, I get a balloon notification from Windows 7 (x64 SP1 Home Premium) that it is installing hardware for me. Whatever is being installed does so without error. However, no new hardware has been installed or plugged in! When I click the balloon it doesn't give me any useful information: Looking in the event log, I find this entry: Event ID: 20001 Source: UserPnp Task Category: 7005 Message: Driver Management concluded the process to install driver FileRepository\usb.inf_amd64_neutral_153b489118ee37b8\usb.inf for Device Instance ID USB\VID_0000&PID_0000\6&3AF9A177&0&0060&&02 with the following status: 0x0. It appears to be USB related. My motherboard has both USB 2.0 and 3.0 controllers. My keyboard and mouse are plugged into the 2.0 slots and the data/recharge cable for a tablet (but not the tablet itself) was plugged in to the 3.0 slot. No other USB devices have been attached for several days/reboots. Why is Windows doing this?

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  • Everythings changes, except that it doesn&rsquo;t

    - by Dennis Vroegop
    You may have noticed this. Microsoft launched a new product this week. Well, launched is a strong word, they announced it. They call it.. The Surface! What is it? Well, it’s a cool looking family of tablets designed for Windows 8. And I have to say: they look stunning and I can’t wait to have one. There’s just one thing.. The name..Where have I heard that before? Why, indeed! Yes, it is also the name of a new paradigm in computing: Surface Computing. You may have read something about that, here on this blog for instance. Well, in order to prevent confusion they have decided to rename Surface to Pixelsense. You know, the technology that drives the ‘camera’ inside the Samsung SUR40 for Microsoft Surface…. So now, when we talk about Surface, we mean the new tablet. When we talk about Pixelsense we mean that big table… So there you have it… Welcome PixelSense! For more info see http://www.surface.com for the tablet and http://www.pixelsense.com for Pixelsense.

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  • PeopleSoft Mobile Expenses and Mobile Approvals now available in FSCM 9.1

    - by Howard Shaw
    Oracle is pleased to announce the release of two new applications, PeopleSoft Mobile Expenses and PeopleSoft Mobile Approvals, which are now generally available in PeopleSoft FSCM 9.1. These are the first two of many upcoming applications designed and built to cater directly to the mobile workforce by providing user-friendly access to key business functions on a smartphone or tablet. Enter and Submit Expenses Anytime, Anywhere PeopleSoft Mobile Expenses provides the ability to enter employee expense reports quickly and easily, for busy travelers on the go. The contemporary, streamlined user interface is optimized for mobile devices (that support HTML 5), such as tablets or smartphones, and provides a simple-to-use tool for capturing expenses as they are being incurred, submitting expense reports while waiting at the airport, approving your employees’ expense reports, and more. And since it is part of the PeopleSoft Mobile Applications suite, you don’t have to wait until you return home or to the office, which can lead to improved efficiencies. The user interface and gesture actions (for example, swipe, touch, and so on) will be immediately familiar to mobile device users, and is specifically targeted to keep the experience as streamlined as possible for just the tasks you need to get to while on the go. In addition, PeopleSoft Mobile Expenses leverages all of the powerful expense policy compliance tools delivered by PeopleSoft Expenses, contributing to reduced spend and increased efficiency throughout your organization. PeopleSoft Mobile Expenses is integrated directly with PeopleSoft Mobile Approvals, so managers can quickly approve submitted expense reports in addition to entering or reviewing their own expenses. Manage Approvals Anytime, Anywhere PeopleSoft Mobile Approvals improves productivity and keeps business moving forward when your users are on the go without comprising business imperatives and operational policies. This innovative solution is delivered using the latest HTML 5 technology to allow customers to manage their critical tasks anytime through any device. PeopleSoft Approvals enables your users to approve transactions through the desktop, smart phones or tablet devices. This will speed up the approval process thus avoiding potential late payment penalties and supports early payment discounts for invoices. For more information, please watch the Video Feature Overviews (VFO) available on YouTube (links below) or contact your application sales representative. PeopleSoft Mobile ExpensesPeopleSoft Mobile Approvals The PeopleSoft Mobile Applications 9.1 documentation update for Bundle 23 is available under MOS Document ID 1495035.1.

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  • Microsoft ISA 2004 - Failed Connection Attempt

    - by Arief
    I have an issue where users with Android tablet cannot download apps through ISA 2004. This is what I get from the ISA 2004 logging: I did try to add the source ip address and the destination ip address in All for All Modified rule. However, it does not fix that problem. I also use GFI Web Monitoring. I did add the 151.101.13.80 ip address into the Whitelist, and no luck. What Failed Connection Attempt exactly is? How to overcome this. The Android tablet is throwing an error 495, could not be downloaded. Thanks everyone.

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  • a hidden program (virus) send hundred e-mail - Can you have any experience on something similar ?

    - by Aristos
    In one tablet computer yesterday I make the usually automatic updates from ms. This tablet have comodo firewall, and and old nod32. After that I notice very soon, that something start sending hundred smtp e-mail the moment the tablet computer is connected to the internet. Also the previous t time I have make updates, some 'virus' gets on the computer but I find very easy and stop it from run. I find using the autostart from sysinternals, and the process explorer. This virus has also break the automatic update from ms, and lost a lot of time to fix it. This is my usually practice when some call me to delete a virus from xp, I use the process explorer and autostart to locate the program, and delete it from everywhere. How ever the last one is so hard to locate. 0.I delete everything from temp directorys and search for suspicious files everywhere, run the nod32, 1.I use the TCPView to see witch program sending the smpt (I see hundred open smpt connections sending emails) but the SMTP was opened by the main service program. 2. I use the process monitor to locate whats happens but find again the main service that do the job. 3.I start delete many thinks on process explorer, but did not found the one that send the emails 4.I open many times the autorun but did not find there also something suspicion, I stop some thinks, but nothing happends. 5.From the last time that I suspect that this virus come to my computer and I partial remove it, he has broke my windows update, to fix it I lost a lot of time, searching on Internet for the error - it was just a register to a dll. 6.From what I suspect something is trigger after the ms update. 7.For the moment I block the email ports, and try to find a way to locate it. I like to notice here that everything is genius - and I mean everything. I believe that this virus pass from a page, or from an e-mail that this computer receive it in the past. Any help or information are appreciate. If you know anything similar, if you know how this virus send emails and how can I locate it, if you know any anti-virus anti-spyware program that maybe can find it. If you know how a virus gets after the ms updates. Million thanks.

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  • Triple ghost animated cursor

    - by R G A
    Since installing the driver for Intuos 4 Graphics tablet, animated cursors display as a triple ghost cursor. I cannot find any reference to this problem elsewhere. System specifications: new Dell XPS, Windows 7, ATI Mobility Radeon HD 4670. Graphics tablet and graphics software are virtually useless since the cursor hotspot is nearly impossible to identify. All drivers and software are current. Any thoughts? Vendors deny any knowledge or responsibility. Removing the Intuos driver does not fix this.

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  • Are there any "best practices" on cross-device development?

    - by vstrien
    Developing for smartphones in the way the industry is currently doing is relatively new. Of course, there has been enterprise-level mobile development for several decades. The platforms have changed, however. Think of: from stylus-input to touch-input (different screen res, different control layout etc.) new ways of handling multi-tasking on mobile platforms (e.g. WP7's "tombstoning") The way these platforms work aren't totally new (iPhone has been around for quite awhile now for example), but at the moment when developing a functionally equal application for both desktop and smartphone it comes down to developing two applications from ground up. Especially with the birth of Windows Phone with the .NET-platform on board and using Silverlight as UI-language, it's becoming appealing to promote the re-use of (parts of the UI). Still, it's fairly obvious that the needs of an application on a smartphone (or tablet) are very different compared to the needs of a desktop application. An (almost) one-on-one conversion will therefore be impossible. My question: are there "best practices", pitfalls etc. documented about developing "cross-device" applications (for example, developing an app for both the desktop and the smartphone/tablet)? I've been looking at weblogs, scientific papers and more for a week or so, but what I've found so far is only about "migratory interfaces".

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  • Windows 7 randomly installs an "Unknown Device"

    - by Amazed
    Rarely (several days to weeks between occurrences,) and seemingly at random, I get a balloon notification from Windows 7 (x64 SP1 Home Premium) that it is installing hardware for me. However, no new hardware has been installed or plugged in! When I click the balloon it doesn't give me any useful information: Looking in the event log, I find this entry: Event ID: 20001 Source: UserPnp Task Category: 7005 Message: Driver Management concluded the process to install driver FileRepository\usb.inf_amd64_neutral_153b489118ee37b8\usb.inf for Device Instance ID USB\VID_0000&PID_0000\6&3AF9A177&0&0060&&02 with the following status: 0x0. It appears to be USB related. My motherboard has both USB 2.0 and 3.0 controllers. My keyboard and mouse are plugged into the 2.0 slots and the data/recharge cable for a tablet (but not the tablet itself) was plugged in to the 3.0 slot. No other USB devices have been attached for several days/reboots. Why is Windows doing this?

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  • Wi-Fi connection drops when downloading torrents, but wired connection still works

    - by bryan
    After downloading for an hour or so, the Wi-Fi connection on my tablet stops working; forcing me to restart my router(it basically hangs when trying to connect). This only happens when downloading torrents. WIRED connection on my desktop PC with router still works fine; no issues at all. I tired to lower the number of global connections to 50, but I still have the problem. I have also updated to the latest Linksys firmware. One PC, a tablet and a smartphone. I have COX cable. Please let me know if you need any other info. Thank you!

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  • The year ahead, 2011.

    - by andrewstopford
    When I look back at last years look at 2010 my blogging rate has not changed much (I suspect this is largely down to using Twitter a lot) but my interests this year have developed a lot further. My view on 2010 would be that Microsoft would commit more to OSS, while I wanted to see more hires from that audience and more projects on Outercurve foundation instead there has been support for JQuery and Gems (aka NuGet). I would love to see more from Microsoft on the OSS front in 2011, Outercurve could become like the Apache foundation with enough support. Staying on the Microsoft front I predict that 2011 will bring the following. C# 5.0 will go RTM (still no MOP though) The next release of VS will go alpha or early beta MS MVC 4.0 (I think by Mix time) and maybe this release will get a command line. I also suspect that Microsoft will want to target the tablet market with WP7 in 2011 (Mix 2011 maybe...). I also predict the following Java will fork with Apache\Google. Oracle will then take them to court and the whole thing will boil right through 2011 (Java have had enough court cases, come on guys). Java and the JVM will sadly not move forward at all in 2011. Android will cause Apple a serious headache, both the smartphone and tablet market will see figures cut from Apple share. By the end of 2011 the current 70% apple market share will be 40-50%. As the features, performance and price of Android devices gets ever better Apple will be left out in the open. Lastly after 7 years I intend to move this blog away from weblogs. In 2011 I will be exploring Java, Ruby\Rails and Android and such subjects don't make sense to talk about it here. See you in 2011.

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  • Develop for Desktop and mobile use?

    - by ran2
    I am in the very beginning of developing an app / desktop program. I want it to be cross-platform and possibly also as a tablet version (preferably Android Icecream sandwich). Note that I need to run it offline. I thought about the following approaches: ADOBE Air, since I do not need much performance. Plus I did some web programming in the past which might be of some use. Afaik it would run on OS X and Windows and should run on mobile OSes, too. Qt. Found some nice Qt based desktop recently and read it also works on android. Plus I like the SDK. HTML5 / JS. Again my web background should help me here. I wont need no sever side scripts, thus it should work without installing anything but a browser. How easy could this be converted into an Android app? There might be a plethora of other (better) ways to do it, but I haven't thought of them yet. Can you help out? How would you create such an application. Would it be better to do some pure desktop client and then create tablet versions? Would you rather start to create a website and worry later on how to turn into an app?

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  • USB and CD data cannot be read or mounted in 12.10

    - by aravind4j
    I'm using Ubuntu 12.10. I wrote a data disk using Brasero Disk Burner, but the system cannot read the CD. I tried to write the same data into my HP v220w pen drive but now there is an error in that too. It shows the following: Error mounting /dev/sdb at /media/aravind4j/Aravind4j: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sdb" "/media/aravind4j/Aravind4j"' exited with non-zero exit status 13: $MFTMirr does not match $MFT (record 0). Failed to mount '/dev/sdb': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details. (udisks-error-quark, 0) I used a NTFS file system for the pen drive as you can recognize from the above statement. I would like to recover the files so please help me recover the files without formatting the drive.

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  • Armchair CEO: Windows

    - by Scott Kuhl
    Originally posted on: http://geekswithblogs.net/scottkuhl/archive/2013/10/12/armchair-ceo-windows.aspxWelcome to part 3 of my Armchair CEO series where I prove just why I’m not running Microsoft.  In this insightful edition I’ll tell you how to make Windows, the golden flagship of Microsoft, a better product. Android Apps Windows Phone is not the only app store that needs a boost.  But unlike Windows Phone, there is a very easy way to get a lot more apps on your Windows PC: BlueStacks.  Right now BlueStacks has 3 things going against it: its UI integration is a desktop app hack, it does not work on RT, and no one know about it.  All three could be fixed if Microsoft bought the company or pulled off the same thing.  The store can be designed to give preference to Windows Store apps but it closes a lot of holes quickly. The Desktop Experience Windows should switch between desktop mode and tablet mode automatically.  Laptops without touch and desktops should work a lot more like Windows 7.  The PC should boot to desktop and Metro apps should run in windows, like MetroMix.  A tablet should boot to the Start Screen by default and pretty much work the same way it does now in 8.1.  Touch laptops should give the user an in your face option on first boot to pick the experience.  And finally, the experience can be changed automatically if the PC is docked or has external monitors hooked up. Death of the Desktop This might seem completely opposite to the last feature, but its not.  I should have no need to ever see the desktop from Start Screen mode.  Every settings needs to be available, an amazing port of the file explorer is needed, and Office Metro must be released.  Desktop apps should also be able to run in full screen mode like other Metro apps.

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  • How to Pin Any File to the Start Screen in Windows 8

    - by Taylor Gibb
    By default Windows 8 only allows you to pin a few file types to the Start Screen. Read on to find out how you can change that by editing the registry. How to Pin Any File to the Start Screen in Windows 8 Press the Win + R keyboard combination to open a run box, then type notepad and press enter. When notepad opens, paste the following into the new document: Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\*\shell\pintostartscreen] “MUIVerb”=”@shell32.dll,-51201″ “NeverDefault”=”" “Description”=”@shell32.dll,-51202″ “MultiSelectModel”=”Single” [HKEY_CLASSES_ROOT\*\shell\pintostartscreen\command] “DelegateExecute”=”{470C0EBD-5D73-4d58-9CED-E91E22E23282}” Then click on the File menu item and select save as… Before you go any further, change the Save as type to All Files. Then give your file a name ending in .reg and click Save. PinToStartHack.reg To use the hack, just double click on the .reg file you just created. When you are prompted about whether you want to continue, click Yes. Now you can pin any file to the Start Screen. Undo the Change If you ever wish to undo the change, press the Win + R keyboard combination and type regedit, then press enter. Then drill down into: HKEY_CLASSES_ROOT\*\shell\ Finally delete the pintostartscreen key. That’s all there is to it. How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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  • How-To Geek is Hiring a Geeky Writer – Here Are the Details

    - by The Geek
    Think you have the perfect combination of geek knowledge and writing skills? We’re looking for an experienced writer to join our team, and here are all the details. We need a new writer to cover topics surrounding Windows 7 or 8, home networking, home routers, security, media, troubleshooting, mobile devices, and many similar topics. We are not looking for writers that focus solely on Linux or tech news writers. Please apply if you have the following qualities: You must be a geek at heart. You must be able to put in plenty of time, work, and dedication. If you’re too busy already, don’t apply. You must be able to write articles that are easy to understand. You must be creative. You must generate ideas for articles on your own, and take suggestions like a pro. You must be at least 18 years old. You must have solid English writing skills. You must be able to write tips, how-to articles, explainers, guides, instructional articles, etc. Again, we are not looking for tech news writers. Here’s a couple of our previous articles so you can get an idea of what we’re looking for in terms of quality and content. Please make sure to look through these before you decide to apply. How-to Article: Make Your Own Windows 8 Start Button with Zero Memory Usage Explainer: HTG Explains: When Do You Need to Update Your Drivers? Explainer: HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows? How-To Article: How to Factory Reset Your Android Phone or Tablet When It Won’t Boot How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere

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  • send music to upnp device from PC

    - by markrich
    I have a new Arcam AirDAC (http://www.arcam.co.uk/products,rSer...ACs,airDAC.htm) attached to my stereo which has upnp support. I would like to send audio from my 14.04 PC to the box itself and to this end installed Rygel upon my system to help but it hasn't. I have created a new sound device in PulseAudioPreferences and selected it from inidcator-sound-switcher but here I become stuck. The sound is heading to the new sound device as the volume can be seen to go up and down from PulseAudioVolumeControl but no sound comes from the stereo downstairs. The problem, as I see it, is the new device has no idea where to send the music as the Arcam hasn't been chosen from any program. So - I installed BubbleUPNP and Plex. My music has been imported into the later and the former can see both the Arcam as a Renderer and the Plex as the Media Server. Installing the BubbleUPNP program on my Android tablet allowed me to send music and all seemed good UNTIL I started playing AIFF and ALAC music and it all stopped. No suitable decoding device. So that scuppered that route. So here I am and stuck. How can I tell Ubuntu to use the Arcam as a renderer to play music through when the albums are played from Rhytmnbox, Tomahawk, Clementine or other? Clementine would be my preferred client as there is a usable remote control program for the tablet. Can anyone help me fix this or advice another way to do what I would like?

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  • Is it possible to hide Launcher for certain apps?

    - by Przemek
    As 14.04LTS has been released I thought I'd try to make larger switch to Ubuntu - especially considering most of the apps I use at work are at last available in Linux versions (with the major exception being Rhino3d v5 - hope that it will be possible to launch it with Wine somehow). But as I use my PC for 3D design I need every damn inch of screen space. And this is where Launcher becomes a pain. While in general I like it (as well as the rest of Unity) when I do office work (emails, docs etc) it has turned out to be a major pain with 3D apps and tablet. I'd like to set launcher to hide when certain apps are maximized. Is it possible? If not is it possible to set it as intellihide/stay in the background globally, so it won't be visible when any app is maximized? Autohide is (sadly) not a good solution - the way Ubuntu handles revealing the hidden bar is tricky to work with when you use a graphic tablet (but to be honest I have gripes with it even when using a mouse). I need the bar to disappear or stay in the background so it won't take screen space - 3D apps have way too much menus that eat valuable screen space already.

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  • Flashing cursor with new laptop battery

    - by Fuzzy Purple Monkey
    I recently purchased a new, non-Toshiba battery for my Toshiba M700 tablet/laptop. The battery fits fine and the tablet detects and charges it, but when I try to boot up all I get is the Toshiba logo then a flashing cursor in the top-left. I can get to the bios, but no further. If I put the old battery back in, everything boots up fine. Has anyone else seen this problem? What am I missing? Thanks in advance!

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  • KDE Device Notifier and mounted volumes ownership and permissions

    - by nunomaltez
    Hi, When I plug an USB pen to my PC and mount the device using KDE's Device Notifier, the mounted device is owned by my user, who has write permissions. However, when I connect a USB harddisk and mount a partition in the same way, the mounted device is owned by root, and since the owner is the only one with write permissions I can't write to the disk. How do I configure the device notifier's actions to mount the HD with my user as owner, just like it mounts the USB pen? I'm using Fedora 9.

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  • USB port not working

    - by sharza
    Everytime I put pendrive in the USB port(all ports in my computer) it doesnt work especially when plug the USB Flash Drive, but after several hours it work again. But When I try to open this pen drive data on other computers, I'm able to open & work ... So definitely there is no problem with my pen drive. and I've enabled USB keyboard & mouse in Bios. I using windows xp and using USB 2.0 Please help ...

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  • error CS0177: The out parameter 'Wx' must be assigned to before control leaves the current method

    - by sonny5
    using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; public class Form1 : System.Windows.Forms.Form { public static float WXmin; public static float WYmin; public static float WXmax; public static float WYmax; public static int VXmin; public static int VYmin; public static int VXmax; public static int VYmax; public static float Vx; public static float Vy; public Form1() { InitializeComponent(); } private void InitializeComponent() { //this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(400, 300); this.Text="Pass Args"; this.Paint += new System.Windows.Forms.PaintEventHandler(this.doLine); } static void Main() { Application.Run(new Form1()); } private void doLine(object sender, System.Windows.Forms.PaintEventArgs e) { Graphics g = e.Graphics; g.FillRectangle(Brushes.White, this.ClientRectangle); Pen p = new Pen(Color.Black); g.DrawLine(p, 0, 0, 100, 100); p.Dispose(); } private void eachCornerPix (object sender, PaintEventArgs e, out float Wx, out float Wy, out float Vx, out float Vy) { Graphics g = this.CreateGraphics(); Pen penBlu = new Pen(Color.Blue, 2); SolidBrush redBrush = new SolidBrush(Color.Red); int width = 2; // 1 pixel wide in x int height = 2; float [] Wxc = {0.100f, 5.900f, 5.900f, 0.100f}; float [] Wyc = {0.100f, 0.100f, 3.900f, 3.900f}; for (int i = 0; i<3; i++) { Wx = Wxc[i]; Wy = Wyc[i]; Vx = ((Wx - WXmin)*((VXmax-VXmin)+VXmin)/(WXmax-WXmin)); Vy = ((Wy - WYmin)*(VYmax-VYmin)/(WYmax-WYmin)+VYmin); Console.WriteLine("eachCornerPix Vx= {0}", Vx); Console.WriteLine("eachCornerPix Vy= {0}", Vy); g.FillRectangle(redBrush, Vx, Vy, width, height); g.Dispose(); } // Desired effect: Use the array values (Wxc, Wyc) and re-assign them to Wx and Wy. Then use // Wx and Wy as components to calculate Vx and Vy. // My end goal...once compile issues are resolved, is to pass each array value listed // using this method. This should allow 4 xy point pairs to be plotted. // Errors: // pass1.cs(51,18): error CS0177: The out parameter 'Wx' must be assigned to before // control leaves the current method // pass1.cs(51,18): error CS0177: The out parameter 'Wy' must be assigned to before // control leaves the current method // pass1.cs(51,18): error CS0177: The out parameter 'Vx' must be assigned to before // control leaves the current method // pass1.cs(51,18): error CS0177: The out parameter 'Vy' must be assigned to before // control leaves the current method } }

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  • Why a graphics overflow problem as a result of a for loop?

    - by sonny5
    using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Imaging; using System.Drawing.Drawing2D; public class Form1 : System.Windows.Forms.Form { public static float WXmin; public static float WYmin; public static float WXmax; public static float WYmax; public static int VXmin; public static int VYmin; public static int VXmax; public static int VYmax; public static float Wx; public static float Wy; public static float Vx; public static float Vy; public Form1() { InitializeComponent(); } private void InitializeComponent() { this.ClientSize = new System.Drawing.Size(400, 300); this.Text="Pass Args"; this.Paint += new System.Windows.Forms.PaintEventHandler(this.doLine); //this.Paint += new System.PaintEventHandler(this.eachCornerPix); //eachCornerPix(out Wx, out Wy, out Vx, out Vy); } static void Main() { Application.Run(new Form1()); } private void doLine(object sender, System.Windows.Forms.PaintEventArgs e) { Graphics g = e.Graphics; g.FillRectangle(Brushes.White, this.ClientRectangle); Pen p = new Pen(Color.Black); g.DrawLine(p, 0, 0, 100, 100); // draw DOWN in y, which is positive since no matrix called eachCornerPix(sender, e, out Wx, out Wy, out Vx, out Vy); p.Dispose(); } private void eachCornerPix (object sender, System.EventArgs e, out float Wx, out float Wy, out float Vx, out float Vy) { Wx = 0.0f; Wy = 0.0f; Vx = 0.0f; Vy = 0.0f; Graphics g = this.CreateGraphics(); Pen penBlu = new Pen(Color.Blue, 2); SolidBrush redBrush = new SolidBrush(Color.Red); int width = 2; // 1 pixel wide in x int height = 2; float [] Wxc = {0.100f, 5.900f, 5.900f, 0.100f}; float [] Wyc = {0.100f, 0.100f, 3.900f, 3.900f}; Console.WriteLine("Wxc[0] = {0}", Wxc[0]); Console.WriteLine("Wyc[3] = {0}", Wyc[3]); /* for (int i = 0; i<3; i++) { Wx = Wxc[i]; Wy = Wyc[i]; Vx = ((Wx - WXmin)*((VXmax-VXmin)+VXmin)/(WXmax-WXmin)); Vy = ((Wy - WYmin)*(VYmax-VYmin)/(WYmax-WYmin)+VYmin); Console.WriteLine("eachCornerPix Vx= {0}", Vx); Console.WriteLine("eachCornerPix Vy= {0}", Vy); g.FillRectangle(redBrush, Vx, Vy, width, height); } */ // What is there about this for loop that will not run? // When the comments above and after the for loop are removed, it gets an overflow? g.Dispose(); } }

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  • saved image in the picturebox shows no preview

    - by Nivas
    Hi iam new to C# and have loaded the image in the picture box using menustrip and have displayed some text using picturebox_Paint and label. now i tried to save the image (with image and text) using save event from the menustrip. in the saved location the file shows as no preview avaliable and when i tried to open the file it shows out of memory. can any one say where iam going worng.... my coades private void openToolStripMenuItem_Click(object sender, EventArgs e) { string file = ""; OpenFD.FileName = ""; OpenFD.Title = "open image"; OpenFD.InitialDirectory = "C"; OpenFD.Filter = "JPEG|.jpg|Bmp|.bmp|All Files|..*"; if (OpenFD.ShowDialog() == DialogResult.OK) { file = OpenFD.FileName; pictureBox1.Image = Image.FromFile(file); sz = pictureBox1.Size; a=sz.Width; b= sz.Height; } private void pictureBox1_MouseMove(object sender, MouseEventArgs e) { switch (e.Button) { case MouseButtons.Left: { rect = new Rectangle(rect.Left, rect.Top, e.X - rect.Left, e.Y - rect.Top); this.Invalidate(); y = flag.e; Application.DoEvents(); break; } } } private void pictureBox1_MouseDown(object sender, MouseEventArgs e) { rect = new Rectangle(e.X, e.Y, 0, 0); this.Invalidate(); } private void pictureBox1_Paint(object sender, PaintEventArgs e) { using (Pen pen = new Pen(Color.Red, 2)) e.Graphics.DrawRectangle(pen, rect); //e.Graphics.DrawString(label1.Text, label1.Font, new // SolidBrush(label1.ForeColor), label1.Left - pictureBox1.Left, label1.Top - pictureBox1.Top); if (label1.TextAlign == ContentAlignment.TopLeft) { e.Graphics.DrawString(label1.Text, label1.Font, new SolidBrush(label1.ForeColor), label1.Bounds); } else if (label1.TextAlign == ContentAlignment.TopCenter) { SizeF size = e.Graphics.MeasureString(label1.Text, label1.Font); float left = ((float)this.Width + label1.Left) / 2 - size.Width / 2; RectangleF rect1 = new RectangleF(left, (float)label1.Top, size.Width, label1.Height); e.Graphics.DrawString(label1.Text, label1.Font, new SolidBrush(label1.ForeColor), rect1); } else { SizeF size = e.Graphics.MeasureString(label1.Text, label1.Font); float left = (float)label1.Width - size.Width + label1.Left; RectangleF rect1 = new RectangleF(left, (float)label1.Top, size.Width, label1.Height); e.Graphics.DrawString(label1.Text, label1.Font, new SolidBrush(label1.ForeColor), rect1); } label1.Top = rect.Top; label1.Left = rect.Left; label1.Width = rect.Width; label1.Height = rect.Height; } private void saveToolStripMenuItem_Click(object sender, EventArgs e) { SaveFileDialog SaveFD1 = new SaveFileDialog(); //string Sd_file = ""; SaveFD1.FileName = ""; SaveFD1.InitialDirectory = "C"; SaveFD1.Title = "save file Name"; SaveFD1.Filter= "JPG|.jpg|Bmp|.bmp"; if (SaveFD1.ShowDialog() != DialogResult.Cancel) { System.IO.Stream filename = (System.IO.FileStream)SaveFD1.OpenFile(); if (SaveFD1.Filter == "JPG") pictureBox1.Image.Save(SaveFD1.FileName); //pictureBox1.Image.Save (filename, System.Drawing.Imaging.ImageFormat.Jpeg); else if (SaveFD1.Filter == "Bmp") { //pictureBox1.Image.Save(filename, System.Drawing.Imaging.ImageFormat.Bmp); } filename.Close(); } }

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  • Strange WPF ListBox Behavior

    - by uncle-harvey
    I’m trying to bind a List of items to a listbox in WPF. The items are grouped by one value and each group is to be housed in an expander. Everything works fine when I don’t use any custom styles. However, when I use custom styles (which work properly with non-grouped items and as independent controls) the binding doesn’t display any items. Below is the code I’m executing. Any ideas why the items won’t show up in the Expander? Test.xaml: <Window x:Class="Glossy.Test" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Test" Height="300" Width="300"> <Window.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="..\TestStyles.xaml"/> <ResourceDictionary> <Style x:Key="ContainerStyle" TargetType="{x:Type GroupItem}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate> <Expander Header="{Binding}" IsExpanded="True"> <ItemsPresenter /> </Expander> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Window.Resources> <Grid> <ListBox x:Name="TestList"> <ListBox.GroupStyle> <GroupStyle ContainerStyle="{StaticResource ContainerStyle}"/> </ListBox.GroupStyle> </ListBox> </Grid> Test.xaml.cs: public partial class Test : Window { private List<Contact> _ContactItems; public List<Contact> ContactItems { get { return _ContactItems; } set { _ContactItems = value; } } public Test() { InitializeComponent(); ContactItems = new List<Contact>(); ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "ABC"; ContactItems.Last().Name = "Contact 1"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "ABC"; ContactItems.Last().Name = "Contact 2"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "ABC"; ContactItems.Last().Name = "Contact 3"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "ABC"; ContactItems.Last().Name = "Contact 10"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "ABC"; ContactItems.Last().Name = "Contact 11"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "ABC"; ContactItems.Last().Name = "Contact 12"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "RST"; ContactItems.Last().Name = "Contact 7"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "RST"; ContactItems.Last().Name = "Contact 8"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "RST"; ContactItems.Last().Name = "Contact 9"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "XYZ"; ContactItems.Last().Name = "Contact 4"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "XYZ"; ContactItems.Last().Name = "Contact 5"; ContactItems.Add(new Contact()); ContactItems.Last().CompanyName = "XYZ"; ContactItems.Last().Name = "Contact 6"; ICollectionView view = CollectionViewSource.GetDefaultView(ContactItems); view.GroupDescriptions.Add(new PropertyGroupDescription("CompanyName")); view.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Ascending)); TestList.ItemsSource = view; } } public class Contact { public string CompanyName { get; set; } public string Name { get; set; } public override string ToString() { return Name; } } TestStyles.xaml: <Style TargetType="{x:Type ListBox}"> <Setter Property="SnapsToDevicePixels" Value="true"/> <Setter Property="OverridesDefaultStyle" Value="true"/> <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/> <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/> <Setter Property="ScrollViewer.CanContentScroll" Value="true"/> <Setter Property="MinWidth" Value="120"/> <Setter Property="MinHeight" Value="95"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="ListBox"> <Grid Background="Black"> <Rectangle VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Fill="White"> <Rectangle.OpacityMask> <DrawingBrush> <DrawingBrush.Drawing> <GeometryDrawing Geometry="M65.5,33 L537.5,35 537.5,274.5 C536.5,81 119.5,177 66.5,92" Brush="#11444444"> <GeometryDrawing.Pen> <Pen Brush="Transparent"/> </GeometryDrawing.Pen> </GeometryDrawing> </DrawingBrush.Drawing> </DrawingBrush> </Rectangle.OpacityMask> </Rectangle> <Border Name="Border" Background="Transparent" BorderBrush="Gray" BorderThickness="1" CornerRadius="2"> <ScrollViewer Margin="0" Focusable="false"> <StackPanel Margin="2" IsItemsHost="True" /> </ScrollViewer> </Border> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsEnabled" Value="false"> <Setter TargetName="Border" Property="Background" Value="Gray" /> <Setter TargetName="Border" Property="BorderBrush" Value="DimGray" /> </Trigger> <Trigger Property="IsGrouping" Value="true"> <Setter Property="ScrollViewer.CanContentScroll" Value="false"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="{x:Type ListBoxItem}"> <Setter Property="SnapsToDevicePixels" Value="true"/> <Setter Property="OverridesDefaultStyle" Value="true"/> <Setter Property="Foreground" Value="Gray"/> <Setter Property="Background" Value="Transparent"/> <Setter Property="FontFamily" Value="Verdana"/> <Setter Property="HorizontalAlignment" Value="Stretch"/> <Setter Property="FontSize" Value="11"/> <Setter Property="Margin" Value="3,1,3,1"/> <Setter Property="Padding" Value="0"/> <Setter Property="FontWeight" Value="Normal"/> <Setter Property="VerticalAlignment" Value="Center"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="ListBoxItem"> <Border Name="Border" Padding="2" SnapsToDevicePixels="true"> <ContentPresenter /> </Border> <ControlTemplate.Triggers> <Trigger Property="IsSelected" Value="true"> <Setter TargetName="Border" Property="Background" Value="Gray"/> </Trigger> <Trigger Property="IsEnabled" Value="false"> <Setter Property="Foreground" Value="White"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <ControlTemplate x:Key="ExpanderToggleButton" TargetType="ToggleButton"> <Border Name="Border" CornerRadius="2,0,0,0" Background="Transparent" BorderBrush="LightGray" BorderThickness="0,0,1,0"> <Path Name="Arrow" Fill="Blue" HorizontalAlignment="Center" VerticalAlignment="Center" Data="M 0 0 L 4 4 L 8 0 Z"/> </Border> <ControlTemplate.Triggers> <Trigger Property="ToggleButton.IsMouseOver" Value="True"> <Setter TargetName="Border" Property="Background" Value="Gray" /> </Trigger> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="Border" Property="Background" Value="Black" /> </Trigger> <Trigger Property="IsChecked" Value="True"> <Setter TargetName="Arrow" Property="Data" Value="M 0 4 L 4 0 L 8 4 Z" /> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter TargetName="Border" Property="Background" Value="DimGray" /> <Setter TargetName="Border" Property="BorderBrush" Value="DimGray" /> <Setter Property="Foreground" Value="LightGray"/> <Setter TargetName="Arrow" Property="Fill" Value="LightBlue" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> <Style TargetType="{x:Type Expander}"> <Setter Property="Foreground" Value="White"/> <Setter Property="FontFamily" Value="Verdana"/> <Setter Property="FontSize" Value="11"/> <Setter Property="FontWeight" Value="Normal"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="Expander"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Name="ContentRow" Height="0"/> </Grid.RowDefinitions> <Border Name="Border" Grid.Row="0" Background="Black" BorderBrush="DimGray" BorderThickness="1" Cursor="Hand" CornerRadius="2,2,0,0" > <Grid HorizontalAlignment="Left"> <Grid.RowDefinitions> <RowDefinition Height="23"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="20" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <ToggleButton IsChecked="{Binding Path=IsExpanded,Mode=TwoWay,RelativeSource={RelativeSource TemplatedParent}}" Template="{StaticResource ExpanderToggleButton}" Background="Black" /> <Label Grid.Column="1" FontSize="14" FontWeight="Normal" Margin="0" VerticalAlignment="Top" Foreground="White" FontFamily="Verdana"> <ContentPresenter Grid.Column="1" Margin="4,3,0,0" HorizontalAlignment="Left" ContentSource="Header" RecognizesAccessKey="True" /> </Label> </Grid> </Border> <Border Name="Content" Background="Black" BorderBrush="DimGray" BorderThickness="1,0,1,1" Grid.Row="1" CornerRadius="0,0,2,2" > <Grid Background="Black"> <Rectangle VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Fill="White"> <Rectangle.OpacityMask> <DrawingBrush> <DrawingBrush.Drawing> <GeometryDrawing Geometry="M65.5,33 L537.5,35 537.5,274.5 C536.5,81 119.5,177 66.5,92" Brush="#11444444"> <GeometryDrawing.Pen> <Pen Brush="Transparent"/> </GeometryDrawing.Pen> </GeometryDrawing> </DrawingBrush.Drawing> </DrawingBrush> </Rectangle.OpacityMask> </Rectangle> <ContentPresenter Margin="4" /> </Grid> </Border> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsExpanded" Value="True"> <Setter TargetName="ContentRow" Property="Height" Value="{Binding ElementName=Content,Path=DesiredHeight}" /> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter TargetName="Border" Property="Background" Value="Gray" /> <Setter TargetName="Border" Property="BorderBrush" Value="DimGray" /> <Setter Property="Foreground" Value="White"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style>

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  • I, Android

    - by andrewbrust
    I’m just back from the 2011 Consumer Electronics Show (CES).  I go to CES to get a sense of what Microsoft is doing in the consumer space, and how people are reacting to it.  When I first went to CES 2 years ago, Steve Ballmer announced the beta of Windows 7 at his keynote address, and the crowd went wild.  When I went again last year, everyone was hoping for a Windows tablet announcement at the Ballmer keynote.  Although they didn’t get one (unless you count the unreleased HP Slate running Windows 7), people continued to show anticipation around Project Natal (which became Xbox 360 Kinect) and around Windows Phone 7.  On the show floor last year, there were machines everywhere running Windows 7, including lots of netbooks.  Microsoft had a serious influence at the show both years. But this year, one brand, one product, one operating system evidenced itself over and over again: Android.  Whether in the multitude of tablet devices that were shown across the show, or the burgeoning number of smartphones shown (including all four forthcoming 4G-LTE handsets at Verizon Wireless’ booth) or the Google TV set top box from Logitech and the embedded implementation in new Sony TV models, Android was was there. There was excitement in the ubiquity of Android 2.2 (Froyo) and the emergence of Android 2.3 (Gingerbread).  There was anticipation around the tablet-optimized Android 3.0 (Honeycomb).  There were highly customized skins.  There was even an official CES Android app for navigating the exhibit halls and planning events.  Android was so ubiquitous, in fact, that it became surprising to find a device that was running anything else.  It was as if Android had become the de facto Original Equipment Manufacturing (OEM) operating system. Motorola’s booth was nothing less than an Android showcase.  And it was large, and it was packed.  Clearly Moto’s fortunes have improved dramatically in the last year and change.  The fact that the company morphed from being a core Windows Mobile OEM to an Android poster child seems non-coincidental to their improved fortunes. Even erstwhile WinMo OEMs who now do produce Windows Phone 7 devices were not pushing them.  Perhaps I missed them, but I couldn’t find WP7 handsets at Samsung’s booth, nor at LG’s.  And since the only carrier exhibiting at the show was Verizon Wireless, which doesn’t yet have WP7 devices, this left Microsoft’s booth as the only place to see the phones. Why is Android so popular with consumer electronics manufacturers in Japan, South Korea, China and Taiwan?  Yes, it’s free, but there’s more to it than that.  Android seems to have succeeded as an OEM OS because it’s directed at OEMs who are permitted to personalize it and extend it, and it provides enough base usability and touch-friendliness that OEMs want it.  In the process, it has become a de facto standard (which makes OEMs want it even more), and has done so in a remarkably short time: the OS was launched on a single phone in the US just 2 1/4 years ago. Despite its success and popularity, Apple’s iOS would never be used by OEMs, because it’s not meant to be embedded and customized, but rather to provide a fully finished experience.  Ironically, Windows Phone 7 is likewise disqualified from such embedded use.  Windows Mobile (6.x and earlier) may have been a candidate had it not atrophied so much in its final 5 years of life. What can Microsoft do?  It could start by developing a true touch-centric OS for tablets, whether that be within Windows 8, or derived from Windows Phone 7.  It would then need to deconstruct that finished product into components, via a new or altered version of Windows Embedded or Windows Embedded Compact.  And if Microsoft went that far, it would only make sense to work with its OEMs and mobile carriers to make certain they showcase their products using the OS at CES, and other consumer electronics venues, prominently. Mostly though, Microsoft would need to decide if it were really committed to putting sustained time, effort and money into a commodity product, especially given the far greater financial return that it now derives from its core Windows and Office franchises. Microsoft would need to see an OEM OS for what it is: a loss leader that helps build brand and platform momentum for up-level products.  Is that enough to make the investment worthwhile?  One thing is certain: if that question is not acknowledged and answered honestly, then any investment will be squandered.

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