Returns the default group leader window for all toplevel windows on @display. This window is implicitly created by GDK. See gdk_window_set_group().
Return: The default group leader window for @display
2.4
See Implementation
Returns the default group leader window for all toplevel windows on @display. This window is implicitly created by GDK. See gdk_window_set_group().
Return: The default group leader window for @display