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BobF - 09 Sep 2005 00:18 GMT

How do you paint transparent sections of a bitmap with the VS.Net 2003
image editor?

I have a bitmap that's been imported into a project. I want to make the
outer parts of the bitmap transparent. I've tried MSDN - the instruction
don't help much. I've searched newsgroups.

Hopefully there's a really simple, easy answer out there that someone is
willing to share.

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Carlos J. Quintero [VB MVP] - 12 Sep 2005 10:34 GMT

AFAIK, while icons can have transparency, bitmaps not. Using bitmaps you use
whatever color that you want for transparency and later you tell the GDI
functions which color you used for transparency (Bitmap.MakeTransparent,
ImageList.TransparentColor, etc).

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Best regards,

Carlos J. Quintero

MZ-Tools: Productivity add-ins for Visual Studio .NET, VB6, VB5 and VBA
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> How do you paint transparent sections of a bitmap with the VS.Net 2003
> image editor?
[quoted text clipped - 5 lines]
> Hopefully there's a really simple, easy answer out there that someone is
> willing to share.

Reply to this Message

BobF - 12 Sep 2005 13:20 GMT

> AFAIK, while icons can have transparency, bitmaps not. Using bitmaps you use
> whatever color that you want for transparency and later you tell the GDI
> functions which color you used for transparency (Bitmap.MakeTransparent,
> ImageList.TransparentColor, etc).

Thanks Carlos. I eventually did enough digging to figure it out. I'm
exploring wxWidgets and other alternatives now.

Thanks

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