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VB.NET BitBlt

Started by Bob Dole Jan 7, 2005 at 5:55 AM 0 replies 2k views

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Jan 7, 2005 at 5:55 AM

I used BitBlt by making a wrapper class by following the examples on codeproject.com. However, I realized when I load an image from a file, get a graphics from it and Blt it, it only shows a black box. I soon realized that it can only BitBlt pictures that are visible and I dont have enough room on my form to show on the pictureboxes. Is there a special bitblt way? Is there any other draw functions that can draw from a filepath? I know DX9 for C++, but I dont even know how to start a DX7 for VB.NET. Or do I just have to convert the whole thing to C++.

Cornutopia

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Cornutopia

Jan 7, 2005 at 12:20 PM

Use CreateBitmap to create a memory based bitmap and duplicate the picture there. You should be able to bypass a lot of VB, and use the GDI using Win32 API calls to do what you want. I know that your problem can be worked around!

Mark
Cornutopia Games
http://www.cornutopia.net

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