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What is the recommended format for vector icons in resource dictionary?

Posted By:      Posted Date: September 08, 2010    Points: 0   Category :WPF
It seems that Expression Design wants to export vector graphics in resource dictionary format as DrawingBrushes.  These are a bit of a pain to use in something like a MenuItem.Icon.  So I have been converting the DrawingBrushes to DrawingImages.  The only downside I've run into so far is that I can't figure out how to force the DrawingImage to be a certain size say 20x20 where the content may not take up that whole size.  The issue is that when you put these vector icons on a toolbar and you want the images to align, it is tricky when each icon is a slightly different height.

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