status.i4.v = wn_delete_c(window_id.i4.v [,erase_it.i4.v])

	This routine deletes a window created by an earlier call to

	window_id	window ID returned by a previous call to wn_view(_c)
	[erase_it]	(TRUE -> erase window,
			 FALSE -> don't erase window (default))

	This function returns ACNET status values as follows:

	OK			success
	CBS_INVARG		invalid ID specified
	CBS_NO_SUCH		this window doesn't exist

	This function requires the following include files:

	cnsparam_h, cbslib_h, acnet_errors_h

	Related functions:

	wn_delete_all, wn_view(_c), wn_erase(_c), intro_graphics_windows

	C/C++ usage:

	int	status;
	int	window_id;
	int	erase_it = TRUE;

	status = wn_delete_c(window_id,erase_it);