Returns the default group leader window for all toplevel windows on display. This window is implicitly created by GDK. See gdk_window_set_group(). Since 2.4
The default group leader window for display. [transfer none]
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(). Since 2.4