Hi, > I'm not sure you can do that like that. lock.pBits is allocated with > HeapAlloc, and it looks like DIB_CreateDIBSection expects memory > allocated with VirtualAlloc, judging by a quick look at the code and > the commit comment here: You could be right with this: I've checked in ddraw, and it allocates the surface memory with VirtualAlloc. I'll look at this
What is the relevant difference between HeapAlloc and VirtualAlloc? I've read the msdn pages, and I couldn't find anything that would make a crucial difference for a bitmap. Stefan
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