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VB NET Custom Control trashes when not focused

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I created a VB NET Custom Control - a simple graph with some text. Dragging another window over it trashes the text and lines I've drawn. How do I prevent the trashing while not focused and I drag another window over it?

I tried placing all the drawing code in OnPaint(). Then I tried placing the code in Paint() and only calling MyBase.OnPaint(e) in OnPaint(). That did not work.
Mar 17 '11 #1
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