function WorkareaRect: TRectF;
System::Types::TRectF __fastcall WorkareaRect();
Gives pixel coordinates and dimensions of the display's work area usable by the application.
WorkareaRect gives pixel coordinates and dimensions of the display's work area. The work area is the portion of the display not obscured by the system taskbar and other decorative elements. All pixel coordinates are in virtual screen coordinates relative to the primary display. The virtual screen is the bounding rectangle of all displays used to comprise the desktop.