Gtk.Activatable.prototype.set_use_action_appearance

function set_use_action_appearance(use_appearance:Boolean):void {
    // Gjs wrapper for gtk_activatable_set_use_action_appearance()
}

Sets whether this activatable should reset its layout and appearance when setting the related action or when the action changes appearance

<note><para>Gtk.Activatable implementors need to handle the Gtk.use-action-appearance property and call Gtk.sync_action_properties to update activatable if needed.</para></note>

Since 2.16