OffsetRgn function (wingdi.h)

The OffsetRgn function moves a region by the specified offsets.


int OffsetRgn(
  [in] HRGN hrgn,
  [in] int  x,
  [in] int  y


[in] hrgn

Handle to the region to be moved.

[in] x

Specifies the number of logical units to move left or right.

[in] y

Specifies the number of logical units to move up or down.

Return value

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.


Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header wingdi.h (include Windows.h)
Library Gdi32.lib
DLL Gdi32.dll

See also

Region Functions

Regions Overview