NAME 
	WBenchToBack -- Send the Workbench screen in back of all screens.

    SYNOPSIS 
	Success = WBenchToBack()
	D0

	BOOL WBenchToBack( VOID );

    FUNCTION 
	Causes the Workbench screen, if it's currently opened, to go behind
	all other screens.  This does not 'move' the screen up or down,
	instead only affects the depth-arrangement of the screens.

    INPUTS 
	None

    RESULT 
	If the Workbench screen was opened, this function returns TRUE,
	otherwise it returns FALSE.

    BUGS 

    SEE ALSO 
	WBenchToFront(), ScreenToFront()