CRgn클래스를 이용한 영역표시?

CRgn rgn;

HRGN hMyRgn;


CPoint poly[4];

CPoint point;

GetCursorPos(&point);

GetDlgItem(IDC_STATIC_VIEW)->ScreenToClient(&point); 


rgn.CreatePolygonRgn(poly, 4, WINDING);


rgn.PtInRegion(point)
-> 영역안을 침범했는지, 침범했다면 참값,  아니라면 거짓.

hMyRgn = (HRGN) rgn;

rgn.DeleteObject();