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CDC::ExcludeClipRect

Creates a new clipping region that consists of the existing clipping region minus the specified rectangle.

int ExcludeClipRect( 
   int x1, 
   int y1, 
   int x2, 
   int y2  
); 
int ExcludeClipRect( 
   LPCRECT lpRect  
);
x1

Specifies the logical x-coordinate of the upper-left corner of the rectangle.

y1

Specifies the logical y-coordinate of the upper-left corner of the rectangle.

x2

Specifies the logical x-coordinate of the lower-right corner of the rectangle.

y2

Specifies the logical y-coordinate of the lower-right corner of the rectangle.

lpRect

Specifies the rectangle. Can also be a CRect object.

Specifies the new clipping region's type. It can be any of the following values:

  • COMPLEXREGION   The region has overlapping borders.

  • ERROR   No region was created.

  • NULLREGION   The region is empty.

  • SIMPLEREGION   The region has no overlapping borders.

The width of the rectangle, specified by the absolute value of x2x1, must not exceed 32,767 units. This limit applies to the height of the rectangle as well.

Header: afxwin.h

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