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You can be our next Spring WPF Guru !!
In the northern hemisphere at least, Spring is here! (apparently)And at TechNet Wiki, we're hoping you're all hatching new ideas for this month's TechNet Guru competition!We're looking for more shoots...
View ArticleNot able to open installed application on system's app data folder.
Hello, I am working in WPF project in that I want to open installed messenger in system just like Yahoo, GoogleTalk etc. Problem is that I am not able to find the path of some messengers because...
View ArticleDatagrid works different under .NET 4.0 and 4.5
After Update from .NET 4.0 to 4.5 I see only small black lines in my Datagrid. I bind the Datagrid to a Datatable. It works fine under .NET 4.0. The XAML and the Code...
View ArticleBamlLocalizer.Update throws XamlParseException: Cannot find type
We have a wpf control that extends the DateTimeUpDown from Xceed Extended WPF Toolkit. We have a resource dictionary for the styling of the new control.The library that contains the new control needs...
View ArticleFatal UI freezing when using BitmapCache for a Viewport3D
I have a very simple 3D scene and want to rotate it with the mouse wheel. When using no cache mode at all, everything works fine. But my real application is showing more than just a single triangle so...
View Articleawait Dispatcher.BeginInvoke result?
Hi,I am looking for the supposed way of getting result from the Dispatcher.BeginInvoke using the async/await pattern. I have noted that the DispatcherOperation that the method returns is awaitable,...
View ArticleCustom Window Control in Visual Studio Design View
I've created a custom control that inherits from the standard Window control. The control works great when the application is run, but does not display correctly in the Visual Studio design window....
View Articlehow does datagrid RowEditEnding work?
private void SpecialGrid_RowEditEnding(object sender, DataGridRowEditEndingEventArgs e) { SpecialProgramData data = (SpecialProgramData)e.Row.Item; }The data I am getting, at my row editing even,t...
View ArticleSingle label to show multiple text from db
Hi there, Im developing a project in that im displaying the value from the ms access to one label... But its updating only the last value if i use while (rd.read()) and gives me first value for...
View Articlewpf, SerialPort not recognized.
I''m converting Windows Form code to WPF. WPF does not like this descriptor: private SerialPort gSysSerialPort;Not sure why.cte677
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Needs to Create Tiltle Bar using WPF
Hi Friends, I am using WPF Application. I need your assistance to create a Title bar like Microsoft Office 2007 Title bar. How to create a Title bar by using the WPF Application along with Save button,...
View ArticleChange button color when disabled
Hi, I use the following button and when isDisabled is true the button is transparent (here its always true for the example but in my program its bound to command...) what I want is that when the button...
View ArticleHow to change the button corner to be straight,
when Using button the corner of it are rounded,how can I change it to be straight ? Like the button here in the forum of asking question..thanks, Miley
View ArticleOne wpf Application have three ui xaml page and Three Monitor connect and...
HI Everyone I have one challanging task to perform reading from one excel file which consist three worksheets. main challange is one system have three output devices i.e monitor so i need to develop...
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URGENT: Copying a Canvas from one image to other (Cannot save an image with...
Hi all of you,My aim is once my user has selected one area of one JPG file, that piece is going to move into one container, e.g, a GroupBox.As you will see in the following image, left headlight of the...
View Articlehow annotate (draw lines and/or text) on a BitmapImage in .NET 4.0
Hi in older versions of .NET if you had a System.Drawing.Imaging.Bitmap you could get reference to the Bitmap's Graphics object and draw shapes, lines, etc. on it. Is there a way to do something...
View ArticleSystem.Ace.Oledb.12.0 Attempted to read or write protected memory.
Hi,I am reading information from a Microsoft Access database using the oledb dataprovider.Sometimes there is a error "Attempted to read or write protected memory." and my application is ended.Using...
View Articlehow to change WPF DataGrid SelectedItem background color?
Hello, I have a simple clarification.. how can i change the selected row background color in WPF DataGrid? [normally the Selected row color is Blue]...sivakanth trichy
View ArticleCreating a control template with code behind
Hi I'm trying to mimic a XAML style I found for changing the color of selection in the listbox. The XAML works great but my code behind doesn't seem to work. When I go to select an item in the list box...
View ArticleSaving icon results in very poor quality
IntPtr large; IntPtr small; ExtractIconEx(currentpath, index, out large, out small, 1); System.Drawing.Icon icon = System.Drawing.Icon.FromHandle(large); FileStream stream = File.Create(savepath);...
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