The IntersectClipRect function creates a new clipping region from the intersection of the current clipping region and the specified rectangle.
int IntersectClipRect(
HDC hdc, |
// handle of device context |
int nLeftRect, |
// x-coordinate of upper-left corner of rectangle |
int nTopRect, |
// y-coordinate of upper-left corner of rectangle |
int nRightRect, |
// x-coordinate of lower-right corner of rectangle |
int nBottomRect |
// y-coordinate of lower-right corner of rectangle |
); |
The return value specifies the new clipping region’s type and can be any 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. (The current clipping region is unaffected.) |
The lower and rightmost edges of the given rectangle are excluded from the clipping region.
file: /Techref/os/win/api/win32/func/src/f50_4.htm, 3KB, , updated: 2000/4/7 11:19, local time: 2024/12/24 22:53,
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