static void OnWidgetAdd(object obj, AddWidgetArgs args)
{
if (args.Widget is Toolbar)
{
toolbar = (Toolbar)args.Widget;
}
args.Widget.Show();
box.PackStart(args.Widget, false, true, 0);
}
void AddWidget(object sender, AddWidgetArgs a)
{
a.Widget.Show();
vbox.PackStart(a.Widget, false, true, 0);
}
void OnAddWidget(object sender, AddWidgetArgs a)
{
a.Widget.Show();
this.Add(a.Widget);
}