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    GObject
    ╰── GInitiallyUnowned
        ╰── GtkObject
            ╰── GtkWidget
                ╰── GtkRange
                    ╰── GtkScrollbar
                        ╰── GtkHScrollbar
GtkHScrollbar implements AtkImplementorIface, GtkBuildable and GtkOrientable.
GtkWidget *
gtk_hscrollbar_new (GtkAdjustment *adjustment);
Creates a new horizontal scrollbar.