Animation with code
<Window x:Class="SimpleCodeAnimation.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SimpleCodeAnimation" Height="300" Width="300"> <Grid> <Ellipse Name="myEllipse" Fill="Red" Height="100" Width="10" /> </Grid> </Window> //File:Window.xaml.cs using System; using System.Collections.Generic; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; using System.Windows.Media.Animation; namespace SimpleCodeAnimation { public partial class Window1 : System.Windows.Window { public Window1() { InitializeComponent(); } protected override void OnMouseDown(MouseButtonEventArgs e) { if (e.LeftButton == MouseButtonState.Pressed) { DoubleAnimation animate = new DoubleAnimation(); animate.To = 300; animate.Duration = new Duration(TimeSpan.FromSeconds(5)); animate.RepeatBehavior = RepeatBehavior.Forever; myEllipse.BeginAnimation(Ellipse.WidthProperty, animate); } else { DoubleAnimation animate = new DoubleAnimation(); animate.By = 200; animate.Duration = new Duration(TimeSpan.FromSeconds(5)); myEllipse.BeginAnimation(Ellipse.WidthProperty, animate); } } } }