This is just a PSA regarding an extremely annoying issue I've solved for myself. In WPF, if you have a Viewport3D and want to export it as an image, you'll probably want to use RenderTargetBitmap. If ...

I have ListView, which displays some pictures. Not all pictures are visible on screen (in Window). I want to make something like 'contact sheet' - all pictures. I got ScrollViewer from ListView, and ...

When using RenderTargetBitmap to generate a PNG file from a TextBlock that is a child of a Canvas, the text is stretched to match the width of the TextBlock. The TextBlock has a TextAlignment set to '...

The question has now been answered in a comment. Original question: The following is not enough: this.Background = Brushes.Yellow; RenderTargetBitmap bmp = new RenderTargetBitmap(...); Measure(...); ...

I've been working on migrating legacy ASP.Net/C# system to Azure. Initially just changing the minimal amount possible, but part of that is moving to updated .Net framework (2/3/3.5 => 4.7+) Part of ...

I want to use RenderTargetBitmap to just capture the visual area in UWP app. But the result is to capture the full element image in canvas that include offscreen's part. This is my application Image. ...

I wrote a function to rasterize stroke data from an InkCanvas, but for some reason renderBMP.RenderAsync(...) hangs indefinitely. Any advice? RenderTargetBitmap rasterizePage(int pageNumber) { ...

Is there any way to cancel a possibly long running render operation in WPF? In my case, I want to render a complex control (in a non-UI-thread) to a bitmap. var bitmap = new RenderTargetBitmap((int)...

Description: Need to save the specific circular portion of the image using the RenderTargetBitmap gets blank image. Steps to reproduce: Load the image control with the image. Save the image source ...

I've tried a few different approaches to this, but can't seem to get a combination that works. Creating WPF app in C#, Visual Studio. System.Windows.Shapes.Polyline works really nicely to draw into a ...

I am using the UWP image control. I have rotated the image to 45 degrees by applying the Rotate transform(Angle = 45) now I want to convert the rendered rotated image to stream. So I have tried the ...

Our .NET application has the ability to generate .png files which are screenshots of a WPF Canvas. This can be triggered from a client and handled by another of our applications (essentially something ...

I try to save the UI elements into an image file. but we have More UI elements(like 100 list of rows). So the image quality is very poor. Is there any possibility to convert the UI elements into ...

I'm trying to use MediaPlayerto get a frame from video as an image. MediaPlayer _mediaPlayer = new MediaPlayer(); _mediaPlayer.ScrubbingEnabled = true; _mediaPlayer.Open(new Uri("c:\\Sample.mp4&...

I am working on a weekly scheduler on WPF. I took care of everything but I have a problem. RenderTargetBitmap takes an empty image of my UserControl, I also tried element.ApplyTmeplate(); it didn't ...