Micha Nelissen wrote: > I was not completely correct indeed. The DIBSECTION contains a > BITMAPINFOHEADER. BITMAPINFO also contains the BITMAPINFOHEADER. If the > BITMAPINFOHEADER.biCompression is BI_BITFIELDS, then and only then does > BITMAPINFO contain the {red,green,blue}{shift,prec} via three DWORD masks. Micha.