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using C and BitBlt and friends for rendering I notice that with Windows 7, having
'Visual Styles for Windows and Menus' enabled, the performance drops dramatically:
Windows 7 Visual Styles enabled:
BitBlt 48.5 milliseconds
Windows 7 Visual Styles disabled:
BitBlt 1.5 ms
BitBlt less than 0.1 ms
Any hints about this issue and how I can improve performacne with window 7?
ok, the answer is ... switch off aero :-) by using window 7 basic design.