Handling Ribbon Backstage airspace issues with interop content
However for certain technical limitations with WPF's Popup class, we can't do that with Backstage and have it still function correctly. That being said, there is an easy way to work around the problem illustrated above. ...
Image Processing in Windows Presentation Foundation (.NET ...
These programming tools for manipulation are only a subset of those that they are available in WPF. For example is the WriteableBitmap Class which it is not an immutable object, suitable for dynamic images.
Original post: Handling Ribbon Backstage airspace issues with interop content by at wpf class - Google Blog Search
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