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InvertRgn info  Overview  Group

The InvertRgn function inverts the colors in the specified region.

BOOL InvertRgn(

    HDC hdc,

// handle of device context

    HRGN hrgn 

// handle of region to be inverted

   );

Parameters

hdc
Identifies the device context.
hrgn
Identifies the region for which colors are inverted. The region’s coordinates are presumed to be logical coordinates.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

On monochrome screens, the InvertRgn function makes white pixels black and black pixels white. On color screens, this inversion is dependent on the type of technology used to generate the colors for the screen.

See Also

FillRgn, PaintRgn


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