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Incorrect Display of Windows XP Icons in VB.NET ImageLists and PictureBoxes

Posted on 2003-11-01
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Last Modified: 2008-03-06
Hello,

I'm very new to .NET and assume this is a fairly basic problem. I am trying to make use of Windows XP (32 bit) icons with drop shadows in my application throughout, adding them to ImageLists and PictureBoxes. Every time I add an icon to an ImageList or PictureBox, even if I have ColorDepth property to Depth32Bit, it picks up the 256 color version of the icon. If I provide an icon that has no 256 color version, it takes the XP icon but downmixes it to 256 colors and makes the drop-shadow thick black which looks awful. Adding a Windows XP icon as the application's main icon however works just fine. Surely a development environment released post-Windows XP must be able to handle Windows XP icons, what am I doing wrong?

Would be extremely grateful for any help offered.

-William
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Question by:wwarby
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by:wwarby
ID: 9664644
Since posting, I've found one way round this problem which is to load the icon into the ImageList at runtime. This works as long as the application has a manifest file, but makes it difficult to manage toolbar buttons etc. at design time. I want to be able to add an image to an ImageList at design time and for it to import the 32 bit alpha-blended icon which I can then use in TreeViews, ListViews, Toolbars etc.
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No comment has been added lately, so it's time to clean up this TA.
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