InvertRgn |
VB声明 |
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Declare Function InvertRgn Lib "gdi32" Alias "InvertRgn" (ByVal hdc As Long, ByVal hRgn As Long) As Long |
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说明 |
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通过颠倒每个像素值反转设备场景指定区域 |
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返回值 |
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Long,执行成功为非零值,失败为零 |
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参数表 |
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参数 |
类型及说明 |
hdc |
Long,设备场景句柄 |
hRgn |
Long,将反转的设备区域 |
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