Returns the window that @tree_view renders to. This is used primarily to compare to event->window to confirm that the event on @tree_view is on the right window.
A #GdkWindow, or %NULL when @tree_view hasn’t been realized yet.
See Implementation
Returns the window that @tree_view renders to. This is used primarily to compare to event->window to confirm that the event on @tree_view is on the right window.