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X-Hacker.org- Win 2 API - <b>getupdatergn</b> get update region http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
GetUpdateRgn        Get Update Region

BOOL GetUpdateRgn(hWnd, hRgn, bErase)
HWND hWnd;
HRGN hRgn;
BOOL bErase; /* Is background to be erased? */

Returns:

                return value
        |-------------------------------------|
        |COMPLEXREGION Overlapping borders    |
        |ERROR         Invalid DC             |
        |NULLREGION    Empty clipping area    |
        |SIMPLEREGION  No overlapping borders |
        +-------------------------------------+

See Also: GetUpdateRect

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