xvw_display - returns the display associated with a object
LIBRARY CALL
Display *xvw_display(
xvobject object)
INPUT
object - object for which to identify the display
OUTPUT
none
RETURN VALUE
The display associated with the object or gadget
on success, NULL on failure
DESCRIPTION
Returns the display associated with the object.
Note that this is the GUI & Visualization
services equivalent of XtDisplay().
If object is NULL, returns the default display.