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CDC::ExcludeClipRect 

Visual Studio 2005

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

Copy 

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

Parameters

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 x2 – x1, must not exceed 32,767 units. This limit applies to the height of the rectangle as well.

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