OffsetRgn

The OffsetRgn function moves a region by the specified offsets. 

int OffsetRgn(
  HRGN hrgn,     // handle to region
  int nXOffset,  // offset along x-axis
  int nYOffset   // offset along y-axis
);

Parameters

hrgn
Handle to the region to be moved.
nXOffset
Specifies the number of logical units to move left or right.
nYOffset
Specifies the number of logical units to move up or down.

Return Values

The return value specifies the new region's complexity. It can be one of the following values:

Value Meaning
NULLREGION Region is empty.
SIMPLEREGION Region is a single rectangle.
COMPLEXREGION Region is more than one rectangle.
ERROR An error occurred; region is unaffected.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Requires version 1.0 or later.
  Header: Declared in wingdi.h.
  Import Library: Use gdi32.lib.

See Also

Regions Overview, Region Functions