CombineRgn

Windows Mobile 6.5

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4/8/2010

This function combines two regions and stores the result in a third region.

The two regions are combined according to the specified mode.

Syntax


int CombineRgn(
  HRGN hrgnDest, 
  HRGN hrgnSrc1, 
  HRGN hrgnSrc2, 
  int fnCombineMode
);

hrgnDest: [in] Handle to a new region with dimensions defined by combining two other regions. (This region must exist before CombineRgn is called.)

fnCombineMode

[in] Specifies a mode indicating how the two regions will be combined.

This parameter can be one of the following values.

Value	Description
RGN_AND	Creates the intersection of the two combined regions.
RGN_COPY	Creates a copy of the region identified by hrgnSrc1.
RGN_DIFF	Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
RGN_OR	Creates the union of two combined regions.
RGN_XOR	Creates the union of two combined regions except for any overlapping areas.