OffsetClipRgn

  int OffsetClipRgn(hdc, nXOffset, nYOffset)    
  HDC hdc; /* device-context handle */
  int nXOffset; /* offset along x-axis */
  int nYOffset; /* offset along y-axis */

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

Parameters

hdc

Identifies the device context.

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 Value

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

Value Meaning

COMPLEXREGION Clipping region consists of multiple rectangles.
ERROR An error occurred. (The current clip-region is not affected.)
NULLREGION Clipping region is empty.
SIMPLEREGION Clipping region is a single rectangle.

See Also

CreateEllipticRgn, SelectClipRgn