int main (string[] args) {

    Gtk.init (ref args);
    
    var toolButton_image = new Gtk.Image.from_icon_name ("list-add-symbolic", Gtk.IconSize.SMALL_TOOLBAR);
    var toolButton_image2 = new Gtk.Image.from_icon_name ("list-remove-symbolic", Gtk.IconSize.SMALL_TOOLBAR);
    var toolbar = new Gtk.Toolbar ();
    var toolButton1 = new Gtk.ToolButton (toolButton_image,null);
    var toolButton2 = new Gtk.ToolButton (toolButton_image2,null);

    toolbar.add (toolButton1);
    toolbar.add (toolButton2);

    var window = new Gtk.Window ();
    window.add (toolbar);
    window.show_all ();

    (new MainLoop ()).run ();    

    return 0;
}