GList* gdk_window_get_children_with_user_data ( GdkWindow* window, gpointer user_data )
Gets the list of children of
window known to GDK with a
user_data set on it.
The returned list must be freed, but the elements in the list need not be.
The list is returned in (relative) stacking order, i.e. the lowest window is first.
Available since: 3.10
User data to look for.
The argument can be
The data is owned by the caller of the method.