type PGtkVolumeButtonClass = pointer; PGtkVolumeButton = pointer; var gtk_volume_button_get_type: function:GType;cdecl; gtk_volume_button_new : function:PGtkWidget;cdecl; function GTK_TYPE_VOLUME_BUTTON: GType; inline; function GTK_VOLUME_BUTTON(obj : pointer) : PGTypeInstance; inline; function GTK_VOLUME_BUTTON_CLASS(klass : pointer) : pointer; inline; function GTK_IS_VOLUME_BUTTON(obj : pointer) : boolean; inline; function GTK_IS_VOLUME_BUTTON_CLASS(klass : pointer) : boolean; inline; function GTK_VOLUME_BUTTON_GET_CLASS(obj : pointer) : PGTypeClass; inline; function Available_GtkVolumeButton_2_12: Boolean;