CombineRgn3w

Usage

Overview

Combines two regions with the specified operation and stores the result in the specified destination region.

Params

hDest [In] The region that receives the combined result.

hSrc1 [In] The first source region.

hSrc2 [In] The second source region.

mode [In] The way in which the source regions will be combined. See notes.

Returns

Success: NULLREGION - The new region is empty. SIMPLEREGION - The new region can be represented by one rectangle. COMPLEXREGION - The new region can only be represented by more than one rectangle.

Failure: ERROR.

Notes

The two source regions can be the same region. The mode can be one of the following:

RGN_AND - Intersection of the regions

RGN_OR - Union of the regions

RGN_XOR - Unions of the regions minus any intersection.

RGN_DIFF - Difference (subtraction) of the regions.

Implementation

Declared in "windowsx.h".

Implemented in "dlls/gdi32/region.c".

Debug channel "region".