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InvertRect The InvertRect function inverts a rectangle in a window by performing a logical NOT operation on the color values for each pixel in the rectangle’s interior.
VB4-32,5,6
Declare Function InvertRect Lib "user32" Alias "InvertRect" (ByVal hdc As Long, lpRect As RECT) As Long |
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Operating Systems Supported |
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Requires Windows NT 3.1 or later; Requires Windows 95 or later |
- hDC
Identifies the device context.
- lprc
Points to a RECT structure that contains the logical coordinates of the rectangle to be inverted. |
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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