public virtual FrameworkElement CreateQuickAccessItem()
{
CheckBox button = new CheckBox();
RibbonControl.Bind(this, button, "IsChecked", IsCheckedProperty, BindingMode.TwoWay);
button.Click += ((sender, e) => RaiseEvent(e));
RibbonControl.BindQuickAccessItem(this, button);
return button;
}