Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All


Checks whether the point given by x and y is in the region stored in the CRgn object.

BOOL PtInRegion(
   int x,
   int y 
) const;
BOOL PtInRegion(
   POINT point 
) const;


Specifies the logical x-coordinate of the point to test.
Specifies the logical y-coordinate of the point to test.
The x- and y-coordinates of point specify the x- and y-coordinates of the point to test the value of. The point parameter can either be a POINT structure or a CPoint object.

Return Value

Nonzero if the point is in the region; otherwise 0.

See Also

CRgn Overview | Class Members | Hierarchy Chart | PtInRegion

© 2015 Microsoft