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    GObject
    ╰── GInitiallyUnowned
        ╰── GtkObject
            ╰── GtkWidget
                ╰── GtkContainer
                    ╰── GtkBin
                        ╰── GtkButton
                            ╰── GtkScaleButton
                                ╰── GtkVolumeButton
GtkVolumeButton implements AtkImplementorIface, GtkBuildable, GtkActivatable and GtkOrientable.
GtkVolumeButton is a subclass of GtkScaleButton that has been tailored for use as a volume control widget with suitable icons, tooltips and accessible labels.
GtkWidget *
gtk_volume_button_new (void);
Creates a GtkVolumeButton, with a range between 0.0 and 1.0, with a stepping of 0.02. Volume values can be obtained and modified using the functions from GtkScaleButton.
Since: 2.12