OffsetClipRgn function (wingdi.h)

The OffsetClipRgn function moves the clipping region of a device context by the specified offsets.

Syntax

int OffsetClipRgn(
  [in] HDC hdc,
  [in] int x,
  [in] int y
);

[in] hdc

A handle to the device context.

[in] x

The number of logical units to move left or right.

[in] y

The number of logical units to move up or down.

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

Return code	Description
NULLREGION	Region is empty.
SIMPLEREGION	Region is a single rectangle.
COMPLEXREGION	Region is more than one rectangle.
ERROR	An error occurred. (The current clipping 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