OffsetRgn function (wingdi.h)

The OffsetRgn function moves a region by the specified offsets.

Syntax

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.

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.

Requirement	Value
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