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InvertRgn function

The InvertRgn function inverts the colors in the specified region.

Syntax


BOOL InvertRgn(
  _In_  HDC hdc,
  _In_  HRGN hrgn
);

Parameters

hdc [in]

Handle to the device context.

hrgn [in]

Handle to the region for which colors are inverted. The region's coordinates are presumed to be logical coordinates.

Return value

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

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.

Examples

For an example, see Using Brushes.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Wingdi.h (include Windows.h)

Library

Gdi32.lib

DLL

Gdi32.dll

See also

Regions Overview
Region Functions
FillRgn
PaintRgn

 

 

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