Animations Silverlight

    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
    
    
      
        
        
      
      
        
        
      
      
        
        
      
    
  

  
    
    
        
          
            
            
            
            
          

        

        
      
    
        
          
            
            
            
            
          

        

        
      
    
        
          
            
            
            
            
          

        

        
      
    
        
          
            
            
            
            
          

        

        
      
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//File: Page.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace SilverlightApplication3
{
    public partial class MainPage : UserControl
    {
        private long ticks;
        public MainPage()
        {
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(Page_Loaded);
        }
        void Page_Loaded(object sender, RoutedEventArgs e)
        {
            media1.MediaEnded += new RoutedEventHandler(media1_MediaEnded);
            storyBoard1.Completed += new EventHandler(storyBoard1_Completed);
            
            storyBoard1.AutoReverse = true;
            storyBoard1.Begin();
        }
        void storyBoard1_Completed(object sender, EventArgs e)
        {
            ticks = DateTime.Now.Ticks - ticks;
            timer.Text = ticks.ToString();
            ticks = DateTime.Now.Ticks;
            storyBoard1.Begin();
        }
        void media1_MediaEnded(object sender, RoutedEventArgs e)
        {
            media1.Position = new TimeSpan(0);
            media1.Play();
        }
    }
}