Modifies the coordinates of the window origin relative to the coordinates of the current window origin.
CPoint OffsetWindowOrg( int nWidth, int nHeight );
Specifies the number of logical units to add to the current origin's x-coordinate.
Specifies the number of logical units to add to the current origin's y-coordinate.
The previous window origin (in logical coordinates) as a CPoint object.
Header: afxwin.h