| Top |  |  |  |  | 
    GObject
    ╰── GInitiallyUnowned
        ╰── GtkObject
            ╰── GtkWidget
                ╰── GtkContainer
                    ╰── GtkPaned
                        ╰── GtkVPaned
The VPaned widget is a container widget with two children arranged vertically. The division between the two panes is adjustable by the user by dragging a handle. See GtkPaned for details.