Procedure DrawShadowWindow(X1,Y1,X2,Y2:Word;ShadForg,ShadBack:Byte;
                               LStyle:LineStyles;SStyle:ShadowStyles)

    This  draws  a  complete  window  on  the  screen  at  the  specified
    coordinates.   ShadForg  and  ShadBack   specify  the  shadow  colour
    while LStyle and  SStyle  specify  the  line (surrounding the window)
    and shadow style of the window.   The  window is drawn in the current
    text colours.