xvw_screennum - return the screen number associated with an object
LIBRARY CALL
int xvw_screennum(
xvobject object)
INPUT
object - object for which to get the screen number
OUTPUT
none
RETURN VALUE
The screen number associated with the object
on success, -1 on failure
DESCRIPTION
Returns the screen index number associated with the
object. Note that this is the GUI & Visualization
services equivalent of XScreenNumberOfScreen().
If object is NULL, returns the default screen number.