Overview
 Procedure Open                   (NX1,NY1,NX2,NY2:Word; ...
 Procedure DisplayHeading
 Procedure NewHeading             (NewHead:String;NewMode:TextFormats; ...
 Procedure Hide
 Procedure Show
 Procedure NewPosition            (NewX,NewY:Word)
 Procedure Drag
 Procedure DragVertSlideButton
 Procedure NewSize                (NX1,NY1,NX2,NY2:Word)
 Procedure NewStyle               (Forg,Back,ShadForg,ShadBack:Byte; ...
 Procedure HeadingIcon            (Active:Boolean)
 Procedure VertSlideIcon          (Active:Boolean)
 Procedure DrawVertSlideBar
 Procedure VertSlideBar           (Details:SlideBarInfo)
 Procedure UpdateVertSlideBar     (CurPos:LongInt)
 Procedure HeadingPos             (Var BX1,BY1,BX2,BY2:Word)
 Procedure VertSlideBarPos        (Var BX1,BY1,BX2,BY2:Word)
 Procedure VertSlideButtonPos     (Var BX1,BY1,BX2,BY2:Word)
 Procedure VertSlideButtonUpPos   (Var BX1,BY1,BX2,BY2:Word)
 Procedure VertSlideButtonDownPos (Var BX1,BY1,BX2,BY2:Word)
 Procedure Lock
 Procedure UnLock
 Procedure Close

 Private

 Procedure SaveBackground
 Procedure DrawWindow