CombineRgn.3w

Langue: en

Version: Jun 2009 (debian - 07/07/09)

Section: 3 (Bibliothèques de fonctions)

NAME

CombineRgn (GDI32.@)

SYNOPSIS

INT CombineRgn
 (
  HRGN hDest,
  HRGN hSrc1,
  HRGN hSrc2,
  INT  mode
 )

DESCRIPTION

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

Defined in "windowsx.h".

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

Debug channel "region".