void GetWindowRect( LPRECT lpRect ) const;
Points to a CRect object or a RECT structure that will receive the screen coordinates of the upper-left and lower-right corners.
Copies the dimensions of the bounding rectangle of the CWnd object to the structure pointed to by lpRect. The dimensions are given in screen coordinates relative to the upper-left corner of the display screen. The dimensions of the caption, border, and scroll bars, if present, are included.