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InvertRgn The InvertRgn function inverts the colors in the specified region. VB4-32,5,6 Declare Function InvertRgn Lib "gdi32" Alias "InvertRgn" (ByVal hdc As Long, ByVal hRgn As Long) As Long |
VB.NET System.Drawing.Region |
Operating Systems Supported |
Requires Windows NT 3.1 or later; Requires Windows 95 or later |
· hdc Identifies the device context.
· hrgn Identifies the region for which colors are inverted. The region’s coordinates are presumed to be logical coordinates. |
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. |
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