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'>
    
        
            
                
                    
                    
                    
                    
                

            

            
            
        
    

//File: Page.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
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 Storyboard SlideOut = new Storyboard();
        private Storyboard SlideIn = new Storyboard();
        public MainPage()
        {
            InitializeComponent();
            SlideOut.Children.Add(CreateSlidingAnim("Slider", 150));
            LayoutRoot.Resources.Add("SlideOut", SlideOut);
            SlideIn.Children.Add(CreateSlidingAnim("Slider", 0));
            LayoutRoot.Resources.Add("SlideIn", SlideIn);
            Slider.MouseEnter += new MouseEventHandler(Slider_MouseEnter);
            Slider.MouseLeave += new MouseEventHandler(Slider_MouseLeave);
        }
        private DoubleAnimation CreateSlidingAnim(string elementName, double toValue)
        {
            DoubleAnimation animation = new DoubleAnimation();
            animation.SetValue(Storyboard.TargetNameProperty, elementName);
            animation.SetValue(Storyboard.TargetPropertyProperty, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.X)"));
            animation.Duration = new Duration(TimeSpan.FromSeconds(0.5));
            animation.To = toValue;
            return animation;
        }
        private void Slider_MouseLeave(object sender, MouseEventArgs e)
        {
            SlideIn.Begin();
        }
        private void Slider_MouseEnter(object sender, MouseEventArgs e)
        {
            SlideOut.Begin();
        }
    }
}