+6  A: 

I think it is the Popup that is causing the problem. Try setting AllowsTransparency to True on the popup.

Popup.AllowsTransparency

When set to False, any transparent colors are "merged" with black.

Bubblewrap  2009-01-23 20:35:28
that did it, thanks!
Jason  2009-01-23 20:49:03

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