SilverLight And Double Click

Normally, double-click does not exist in Silverlight.But within a period of time after you press the left button pressing the left button  double click event in a more duration 300 ms.

public partial class Page : UserControl
    {
        DispatcherTimer timer;
        public Page()
        {
            InitializeComponent();
            Loaded += new RoutedEventHandler(Page_Loaded);
        }

        void Page_Loaded(object sender, RoutedEventArgs e)
        {
            timer = new DispatcherTimer();
            timer.Interval = TimeSpan.FromMilliseconds(300);
            timer.Tick += new EventHandler(timer_Tick);
        }

        void timer_Tick(object sender, EventArgs e)
        {
            timer.Stop();
        }

        private void Image_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (timer.IsEnabled)
            {
                MessageBox.Show("Double Clicked.");
            }
            else
            {
                timer.Start();
            }
        }
    }