Function name: IntersectClipRect

Defined in : GDI32

Requirements : Windows NT 3.1 or later; Windows 95 or later

Declaration:

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

Parameters:

* 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.

Returns:

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.)

Related functions:

Examples:

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