This function creates a new clipping region from the intersection of the current clipping region and the specified rectangle.
At a Glance
| Header file: | Wingdi.h |
| Windows CE versions: | 1.0 and later |
Syntax
int IntersectClipRect(HDC hdc, int nLeftRect, int nTopRect, int nRightRect,
int nBottomRect);
Parameters
hdc
[in] Handle to the device context.
nLeftRect
[in] Specifies the logical x-coordinate of the upper-left corner of the rectangle.
nTopRect
[in] Specifies the logical y-coordinate of the upper-left corner of the rectangle.
nRightRect
[in] Specifies the logical x-coordinate of the lower-right corner of the rectangle.
nBottomRect
[in] Specifies the logical y-coordinate of the lower-right corner of the rectangle.
Return Values
The return value specifies the new clipping region’s type. NULLREGION indicates that the region is empty. SIMPLEREGION indicates that the region is a single rectangle. COMPLEXREGION indicates that the region is more than a single rectangle. ERROR indicates that an error occurred; the current clipping region is unaffected.
Remarks
The lower and rightmost edges of the specified rectangle are excluded from the clipping region.
See Also