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I want to draw a HBITMAP onto HDC,
I used StretchDIBits. It works fine. ::StretchDIBits.
however, I only want a window to watch the drawing result, beside the window, I wish the stretchDIBits do not take any effect(It can not draw on other area), how can I do this?
When a child window is created, make sure the
WS_CLIPSIBLINGSstyle is set to disallow painting outside the client area inWM_PAINT.Other than that,
SelectClipRegionis probably what you want.