ExcludeClipRect

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

This function creates a new clipping region that consists of the existing clipping region minus the specified rectangle.

Syntax

int ExcludeClipRect(
  HDC hdc, 
  int nLeftRect, 
  int nTopRect, 
  int nRightRect, 
  int nBottomRect
); 

Parameters

• hdc
  [in] Handle to the device context.

• nLeftRect
  [in] Specifies the logical x-coordinate of the upper left corner of the rectangle.

• nTopRect
  [in] Specifies the logical y-coordinate of the upper left corner of the rectangle.

• nRightRect
  [in] Specifies the logical x-coordinate of the lower right corner of the rectangle.

• nBottomRect
  [in] Specifies the logical y-coordinate of the lower right corner of the rectangle.

Return Value

The return value specifies the new clipping region's complexity.

NULLREGION indicates that the region is empty.

SIMPLEREGION indicates that the region is a single rectangle.

COMPLEXREGION indicates that the region is more than one rectangle.

ERROR indicates that no region was created.

Remarks

The lower and right edges of the specified rectangle are not excluded from the clipping region.

Requirements

See Also

Reference

IntersectClipRect
GDI Functions