Export/Save As...Visual objects in WPF/XAML to image format like .png or .jpeg

Hi,
I am working on getting the content of a Canvas i.e. the children arranged on Canvas as nodes and edges of a dependency graph representing certain relationship. I want to export or "Save As..." image format. I achieved it successfully, with some
trial and error, as it was first time for me to write such functionality. However, I have encountered couple of issues; I am using RenderTargetBitmap
with dpix and dpiy as 256.
Issues:
The image shrinks on render as image with PixelFormats.Pbgra32;
though it scales well in windows image viewer.
If I try to obtain bounds as Rect bounds = VisualTreeHelper.GetDescendantBounds(content);
and utilize the width and height in RenderTargetBitmap to avoid clipping of image; with certain multiplier - I get system out of memory exception; the multiplier is around 2.67; any value greater than 3 runs into exceptions.
Please provide me any reference or any other way of achieving the export.
Thank you,
Best Regards,
Mandeep

Hello Atwal1,
Since this issue is related with WPF, I move it to the WPF forum there WPF experts will help you. The current forum is for .NET class libraires.
Regards.
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Export/Save As...Visual objects in WPF/XAML to image format like *.png or *.jpeg

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Export/Save As...Visual objects in WPF/XAML to image format like .png or .jpeg