BOOL PtInRegion(hRgn,X,Y)
This function specifies whether the point given by the X and Y parameters is in the given region.
| Parameter | Type/Description |
| hRgn | HRGN Identifies the region to be examined. | |
| X | int Specifies the logical x-coordinate of the point. | |
| Y | int Specifies the logical y-coordinate of the point. |
The return value specifies whether the specified point is in the given region. It is nonzero if the point is in the region. Otherwise, it is zero.