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Gdi::IntersectClipRect_I

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This method creates a new clipping region from the intersection of the current clipping region and the specified rectangle.

static WINGDIAPI int WINAPI IntersectClipRect_I(
  HDC hdc, 
  int nLeftRect, 
  int nTopRect, 
  int nRightRect, 
  int nBottomRect
);

Parameters

  • hdc
    [in] Handle to the device context.
  • nLeftRect
    [in] Integer that specifies the logical x-coordinate of the upper-left corner of the rectangle.
  • nTopRect
    [in] Integer that specifies the logical y-coordinate of the upper-left corner of the rectangle.
  • nRightRect
    [in] Integer that specifies the logical x-coordinate of the lower-right corner of the rectangle.
  • nBottomRect
    [in] Integer that specifies the logical y-coordinate of the lower-right corner of the rectangle.

Return Values

The return value specifies the type of the new clipping region. NULLREGION indicates that the region is empty. SIMPLEREGION indicates that the region is a single rectangle. COMPLEXREGION indicates that the region is more than a single rectangle. ERROR indicates that an error occurred; the current clipping region is unaffected.

Remarks

This method is an internal version of the IntersectClipRect function.

The lower and rightmost edges of the specified rectangle are excluded from the clipping region.

Requirements

OS Versions: Windows CE .NET 4.0 and later.
Header: Gdi.hpp.

See Also

IntersectClipRect | Gdi::ExcludeClipRect_I

Last updated on Wednesday, April 13, 2005

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