IDLgrWindow - Represents an on-screen area on a display device that serves as a graphics destination.
WDELETE Procedure - Deletes IDL graphics windows.
WIDGET_WINDOW - Creates a graphics widget.
WINDOW - Creates an empty graphics window.
WINDOW Procedure - Creates a window for the display of graphics or text. (Direct Graphics)
WSET - Selects the current window. (Direct Graphics)
WSHOW - Exposes or hides the designated window. (Direct Graphics)