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• i can't see a context menu of WPF windows app through VNC

  - by tk

  I can open a context menu but cannot see the opened menu list through VNC. (I know that i can open the context menu by checking the vnc server machine directly) I tested on different vnc servers / clients machines (although all of them are windows Vista), and different wpf app, but still I cant see any menu list. Is this a reported problem? I found some information about wpf problem relating to windows desktop, but i dont know about vnc. ADDED : I dont have this problem on windows native apps or windows forms apps under my vnc environment.

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• WPF translation transform

  - by sham

  How can i get the new bounds after applying a translation transform to a WPF mesh geometry 3D?

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• Capturing WPF Vector Information BEFORE it Renders to Screen

  - by user273722

  I'm trying to "capture" or record the vector display information of a WPF (maybe Silverlight) application and play it back. However, instead of capturing bitmaps of what is rendered, I would like to capture the vector information BEFORE it gets rendered so that I can play it back at different resolutions without loss of quality. Ideally, I'd like to do this without having to add assemblies into my app (but willing to do so if necessary). I've looked into the WPF rendering pipeline and cannot find an appropriate starting point (or, stated differently, I couldn't figure it out). Maybe the VisualTreeHelper class?

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• Hosting Flash movie in a WPF project

  - by büsra

  I want to host a SWF (Flash animation) in a WPF project. I searched Google and found something. I tried that technique but had some troubles. In this article, it says: **Then, as mentioned in this posting, it is necessary to run AxImp.exe from the .net sdk on the Flash ocx to generate following files. 1. AxShockwaveFlashObjects.dll AxShockwaveFlashObjects.pdb ShockwaveFlashObjects.dll AxShockwaveFlashObjects.cs In Visual Studio, add the references to the AxShockwaveFlashObjects.dll and ShockwaveFlashObjects.dll generated by aximp** But i couldnt understand this. Can anyone write it out step by step? I am new to WPF.

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• Common Programming mistakes for WPF developers to avoid?

  - by Kishore Kumar

  what are the common mistake can be avoided by a WPF developer?

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• wpf app invisible remotely (via radmin)

  - by SteveCav

  hi gang, I've built a little WPF utility that watches a serialport and visualises monitoring information with WPF. It works fine, but a colleague just tried using it from another machine via radmin and my app is completely invisible! if you're at the machine you see it, if you view it via radmin you see the same screen but no app. Instead you see the app behind it (in this case windows explorer), but can't click on anything in the space where my app is. Has anyone else come across this before??

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• how to Play .flv files in WPF?

  - by dddd

  How to Play .flv files in WPF? please anyone help me out.

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• ReportViewer datadinding (WPF)

  - by user512150

  I have a rdlc file and I try to show it using report viewer control in WPF. My DataSource is called 'OfficeDataSet' and DataSet used in report is called 'Address'. I try to initialize report viewer (I put it in WindowsFormsHost) like this: private void PrepareReport() { reportDataSource = new ReportDataSource(); officeDataSet = new OfficeDataSet(); adapter = new AddressTableAdapter(); adapter.Fill(officeDataSet.Address); reportDataSource.Name = "OfficeDataSet_Address"; reportDataSource.Value = officeDataSet.Address; viewerInstance.LocalReport.DataSources.Add(reportDataSource); viewerInstance.LocalReport.ReportEmbeddedResource = "WpfApplication1.Reports.TestReport.rdlc"; viewerInstance.Location = new System.Drawing.Point(0, 0); viewerInstance.RefreshReport(); } but I got the message "A data source instance has not been supplied for the data source 'Address'". Anybody know what can be wrong with this code? (I'm totally new in WPF and Reporting Services).

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• Where to put WPF specific code when using MVVM

  - by Surfbutler

  I'm just getting up to speed on MVVM, but all the examples I've seen so far are binding View controls to simple non-WPF specific data types such as strings and ints. However in our app I want to be able to set a button's border brush based on a number in the Model. At the moment, I translate the number into a brush in the ViewModel to keep the View XAML only, but is that right? I don't like putting WPF specific code in the ViewModel, but equally I don't like the idea of putting code-behind on my View panel. Which is the best way? Thanks

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• How to organize architecture WPF project?

  - by Dmitriy

  Hello! In my WPF project i want to have only one Window - MainWindow and UserControls as working part. I have some little different applications in one, and want to make navigation on top of my MainWindow as buttons. And little applications as UserControl. In MainWindow - grid with Big Empty Zone - which use to keep and run work. But, i want to navigate to other userControl from another. (probably do not understand :() How organize architecture WPF project that: one main window and many usercontrols which places in mainwindow and replace each other in turn. and there is the possibility of navigating from another usercontrol to another. May be it's MVVM, but i don't understand how this pattern can help me.

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• WPF MVVM - Correct way to consume a web service asynchronously

  - by byte

  I have implemented MVVM in my WPF application. I was wondering what is the correct way to consume a Web Service from WPF MVVM app. So far, I have created a DataAccess interface and a class that implements this interface. This would serve as a facade / proxy to the web service. The ViewModel gets a reference to this class as the constructor parameter so it can make any calls to get/set data, in this case it will be a Web service call. I would appreciate if you can guide me with some hints and / or direct me to some online resource.

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• Using WPFPerf to profile a WPF 4.0 application doesn't show me any information

  - by Adrian

  I am trying to use WPFPerf to profile a WPF 4.0 application (I have the latest WPFPerf that should work on WPF 4.0 aps). I start the tool Visual Profiler from WPFPerf, I start my aplication, but after that nothing happens and the element tree from the Visual Profiler is empty. No other error message is shown. Can anyone tell me what am I not doint right? As an additional information, when I try to analize my .exe assembly or any other assembly from my application, I get a BadFormatException saying that the assembly was build with a newer version of .NET. From the download page http://go.microsoft.com/fwlink/?LinkID=191420 I see that this version of WPFPerf should be ok for my app

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• WPF Dragging a window to the desktop

  - by pfaz

  I've seen some nice Adobe AIR demos where a component of the application is dragged outside of the application and dropped onto the desktop and then continues to run in a new window. This seems to be facilitated by the NativeDragManager class. Is there anything similar in WPF? How would you go about implementing this sort of functionality in WPF to allow a user control to be dragged to the desktop and then continue to run in a new window? This is great for multi-monitor scenarios and exactly what msft have added to vs2010. Regards pfaz

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• WPF: Creating instances of resources?

  - by oakskc

  I'm brand spanking new to WPF and am trying to play around with projects to better understand what I'm reading. My understanding of a resource is that it is the instance, you can't use it like a factory and create instances of it. For example, a XAML-defined rectangle. You can reference it, but you can't have numerous instances of it all over the surface. In WPF, what would be the way to do that? If I define a Rectangle as a resource with specific properties and wanted to have multiple instances of that within a dynamically-generated grid, how should I be going about it? Or is there a different way I should be trying to do this? Purely academic exercise with no real-world application.

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• WPF Books in 2010

  - by notJim

  I'm looking to learn WPF, and I'd like to get a book to help in the process. Most of the popular questions on SO regarding actual books are from 2008, and I wanted to see if recommendations for books had changed at all. WPF Unleashed, which seems to be the most popular recommendation, was published in 2006, which is quite a while ago, with the lightening-quick pace that Microsoft has been following with .NET. Does this book still work? For some background, I'm a web developer (using MVC, so MVVM makes sense to me conceptually), looking to make the jump to desktop development. I did C# a while ago, but I'll be picking up a separate C# book to get up to speed on that. I am not interested in Silverlight. I am not necessarily interested in flashy UIs right now, as I'm working on business software but what I am interested in is good, clean, intuitive user interfaces.

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• MVC patterns with WPF + NHibernate + IoC

  - by Mendy

  I'm looking for patterns and principles for using with WPF and NHibernate in model-view-controller style.

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• How to make my WPF application as FAST as Outlook

  - by Raul Otaño

  The commons WPF applications take some time for loading medium complex views, once the view is loaded it works fine. For example in a Master - Detail view, if the Detail view is very complex and use different DataTemplates take some seconds (2-3 seconds) for load the view. When i open the Outlook application, for instance, it renders complex views and it is relative much more fast. Is there a way for increase the performance of my WPF application? Maybe a way for not loading the template's data every time that change the "master" item, and load it only one time in the app time live? i will appreciate any suggestion.

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• WPF: Menu items and combo boxes don't render in Windows 7 64-bit

  - by lilserf

  I'm trying to use an existing internal WPF application (I do have access to the source), but it was developed on XP and I'm using Windows7 64-bit. When I click (for instance) the File menu, 90% of the time I see no drop-down menu at all. The menu still exists - I can use the arrow keys to navigate up and down and choose an option if I happen to know the order of the options, but nothing renders at all. The other 10% of the time, the menu or some portion of it DOES render, but as I move the cursor up and down I get graphical corruption or disappearing options until I end up back at the "no menu is visible at all" state. This is also true of combo boxes within the application - they show no data when I drop them down, but I can arrow down and choose an entry. Microsoft has some advice about WPF rendering issues here but none of these steps has helped with my issue.

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• Updating GUI Component from a different class C# WPF

  - by Boardy

  Hi all, I am trying to update a GUI component (DataGrid) in one class from a different class. I am using C# and WPF Forms. When I used the standard WF forms I could pass a reference to the GUI component as a parameter to the function that needed to do the work with the DataGrid. However, I do not know how I can do this in WPF. I have Class1 which has the GUI component and I need Class3 to run the function inside Class2 which will automatically update the GUI display of the Datagrid found in Class1. Any help with this would be much appreciated.

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• Tricky CSS Layout

  - by Meep3D

  So I am making a website with quite a problematic layout. There are four corner images TL, TR, BL and BR indicated by black blocks. The dark orange area is the main content (to a width of 960px), with the outside area denoted by the green arrow as the browser window. See diagram: The top image represents the site at its narrowest possible - it shouldn't be allowed to be narrower than this (960px) if it is larger than the defined area there should be no scrollbars. The bottom two images represent different widths of browser. The bottom left and right black blocks (images) should be at the bottom left and right of the screen at all times, unless the width falls to 960px, in which case the BL and BR images should poke into the main area slightly. If the site is shrunk to, say 200px, the BR image should not still be poking in the right corner. At this point I don't really care about it working exactly in IE6 (I can get it roughly working) but I can't even figure out how to do it fully without Javascript or extremely experimental CSS. Currently I am using absolutely positioned div's which sort of work, but don't work quite right. I think I'd be willing to accept a bit of JS if there is no other way but I'd rather not. Answer very appreciated!

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• horizontal table layout using css

  - by fusion

  instead of the usual vertical table data layout something like this: i'd like to display it like this in css: any ideas? my php/html code: <div class="center_div"> <table> <tr> <th>Author</th> <th>Quotes</th> <th>Arabic</th> <th>Reference</th> </tr> <?php while ($row= mysql_fetch_array($result)) { ?> <tr> <td width="150"><?php h($row['vAuthor']) ?></td> <td><?php h($row['cQuotes']) ?></td> <td><?php h($row['cArabic']) ?></td> <td><?php h($row['vReference']) ?></td> </tr> <?php } ?> </table> </div></div>

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• Part of my layout goes upward with keyboard

  - by Burak Dede

  My android app have a layout like this when i open keyboard two imageview at the bottom of the page shows up over the keyboard , i couldnt see the problem why it goes upward with the keyboard can you help me about this ? <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" > <LinearLayout android:id="@+id/searchLinear" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@color/upperbackground"> <EditText android:id="@+id/searchBox" android:layout_alignParentTop="true" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" android:layout_margin="12dip" android:paddingLeft="35dip" android:textSize="15sp" android:background="@drawable/search_bar"/> </LinearLayout> <LinearLayout android:id="@+id/searchButtons" android:layout_below="@id/searchLinear" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center_vertical|center_horizontal" android:background="@color/upperbackground"> <ImageView android:id="@+id/btnSukela" android:layout_width="wrap_content" android:layout_height="wrap_content" android:clickable="true" android:focusable="true" android:onClick="sukelaClickEvent" android:paddingRight="8dip" android:paddingBottom="5dip" android:src="@drawable/sukela"/> <ImageView android:id="@+id/btnSearch" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@+id/btnSukela" android:clickable="true" android:focusable="true" android:onClick="searchEntryClickEvent" android:paddingLeft="8dip" android:paddingBottom="5dip" android:src="@drawable/search"/> </LinearLayout> <RelativeLayout android:id="@+id/bottomLinear" android:layout_alignParentBottom="true" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center_vertical|center_horizontal" android:background="@drawable/bottom_back"> <ImageView android:id="@+id/btnToday" android:src="@drawable/today" android:background="@color/bottombackground" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="@+id/bottomLinear" android:layout_marginBottom="19dip" android:layout_centerVertical="true" android:clickable="true" android:focusable="true" android:onClick="todayClickEvent"/> <ImageView android:id="@+id/btnPopular" android:src="@drawable/popular" android:background="@color/bottombackground" android:layout_toRightOf="@+id/btnToday" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:clickable="true" android:focusable="true" android:onClick="popularClickEvent"/> </RelativeLayout> <RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_below="@+id/searchButtons" android:layout_above="@+id/bottomLinear" android:background="@color/background"> <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="wrap_content"/> </RelativeLayout> </RelativeLayout>

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• Simple grid layout question

  - by Matt H.

  I can't believe I'm back to this after working with WPF for 3 months :) Consider very common setup: How do I configure the rowheights so that the top and bottom rows (menu bar and status bar) size to fit the height of their content, and the middle row (main content), fills the remaining available space in the program? I can't fix the height of the top/bottom rows because the height of their content can vary. <Window> <Grid> <Grid.RowDefinitions> <RowDefinition/> <RowDefinition/> <RowDefinition/> </Grid.RowDefinitions> <Menu Grid.Row=0> ...menuitems </Menu> <Grid Grid.Row=1> ...main application content here (like most programs) </Grid> <StatusBar> ...statusbaritems </StatusBar> </Grid> </Window>

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• Android -Layout Manager not showing buttons

  - by Arun

  The following is my code. I want an interface where I have a single line textbox, a multiline textbox with 2 buttons below. I want the multiline textbox to occupy all the space available after rendering the buttons and textbox. For this I created two LinearLayouts inside the main layout. The first one has vertical orientation with layout_width set to fill_parent. The second one is horizontal with fill_parent again. The first one has a textbox for which I have set the layout_height to fill parent. The second one has two textboxes OK and Cancel. When I run this application I get the UI, but the Buttons are very small. I have to set the button height manually. What am I doing wrong here. I don't want to hard code the button height. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Name"></TextView> <EditText android:layout_width="fill_parent" android:layout_height="wrap_content"></EditText> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Contents"></TextView> <EditText android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="top" /> </LinearLayout> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1"> <Button android:id="@+id/okbutt" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="OK" android:layout_weight="1" /> <Button android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Cancel" android:layout_weight="1" /> </LinearLayout> Thanks, Arun

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• Android - Linear Layout arrangement, not positioning as expected

  - by Arun

  The following is my code. I want an interface where I have a single line textbox, a multiline textbox with 2 buttons below. I want the multiline textbox to occupy all the space available after rendering the buttons and textbox. For this I created two LinearLayouts inside the main layout. The first one has vertical orientation with layout_width set to fill_parent. The second one is horizontal with fill_parent again. The first one has a textbox for which I have set the layout_height to fill parent. The second one has two textboxes OK and Cancel. When I run this application I get the UI, but the Buttons are very small (about 5px in height). I have to set the button height manually. What am I doing wrong here. I don't want to hard code the button height. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Name"></TextView> <EditText android:layout_width="fill_parent" android:layout_height="wrap_content"></EditText> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Contents"></TextView> <EditText android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="top" /> </LinearLayout> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1"> <Button android:id="@+id/okbutt" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="OK" android:layout_weight="1" /> <Button android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Cancel" android:layout_weight="1" /> </LinearLayout> Thanks, Arun

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