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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| gdi32.lib
| Header File
| wingdi.h
| Unicode
| No
| Platform Notes
| Windows 95: 16-bit coordinates only
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IntersectClipRect
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
| );
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Parameters
hdc
Identifies the device context.
nLeftRect
Specifies the logical x-coordinate of the upper-left corner of the rectangle.
nTopRect
Specifies the logical y-coordinate of the upper-left corner of the rectangle.
nRightRect
Specifies the logical x-coordinate of the lower-right corner of the rectangle.
nBottomRect
Specifies the logical y-coordinate of the lower-right corner of the rectangle.
Return Values
If the function succeeds, 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.)
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Remarks
The lower and rightmost edges of the given rectangle are excluded from the
clipping region.
See Also
ExcludeClipRect
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