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IntersectClipRect The IntersectClipRect function creates a new clipping region from the intersection of the current clipping region and the specified rectangle.
VB4-32,5,6
Declare Function IntersectClipRect Lib "gdi32" Alias "IntersectClipRect" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long |
VB.NET
System.Drawing.Region.Intersect |
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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.
- nLeftRect
Specifies the logical x-coordinate of the upper-left corner of the rectangle.
- nTopRect
Specifies the logical y-coordinate of the upper-left corner of the rectangle.
- nRightRect
Specifies the logical x-coordinate of the lower-right corner of the rectangle.
- nBottomRect
Specifies the logical y-coordinate of the lower-right corner of the rectangle. |
If the function succeeds, the return value specifies the new clipping region’s type and can be any one of the following values:
NULLREGION
Region is empty.
SIMPLEREGION
Region is a single rectangle.
COMPLEXREGION
Region is more than one rectangle.
ERROR
An error occurred. (The current clipping region is unaffected.) |
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