public MenuCheckedRoutedEventArgs(RoutedEvent routedEvent, object source, IMenuToggleButton menusource) : base(routedEvent, source)
{
MenuSource = menusource;
}
//激发路由事件,借用Click事件的激发方法
protected void OnCheckedChanged(IMenuToggleButton button)
{
MenuCheckedRoutedEventArgs args = new MenuCheckedRoutedEventArgs(CheckedChangedRoutedEvent, this, button);
this.RaiseEvent(args);
}