int OffsetRgn(hrgn, nXOffset, nYOffset) | |||||
HRGN hrgn; | /* handle of region | */ | |||
int nXOffset; | /* offset along x-axis | */ | |||
int nYOffset; | /* offset along y-axis | */ |
The OffsetRgn function moves a region by the specified x- and y-offsets.
hrgn
Identifies 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.
The return value specifies the new region's complexity. It can be any one of the following values:
Value | Meaning |
COMPLEXREGION | Region has overlapping borders. |
ERROR | An error occurred. Region is unaffected. |
NULLREGION | Region is empty. |
SIMPLEREGION | Region has no overlapping borders. |