class Element : INotifyPropertyChanged{public event PropertyChangedEventHandler PropertyChanged;//public EventHandler PropertyChangedX;//移动X坐标改变触发事件//public EventHandler PropertyChangedY;private Double _x;public Double X{get { return _x; }set { _x = value;if (PropertyChanged != null){PropertyChanged(this, new PropertyChangedEventArgs("X"));}}}

 dispatcherTimer = new System.Windows.Threading.DispatcherTimer();dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 30);dispatcherTimer.Start();

    <Rectangle Height="26" Name="Road" Stroke="White" Width="1200" VerticalAlignment="Bottom" Margin="0,0,0,0"><Rectangle.RenderTransform><TranslateTransform x:Name="TranslateTransformRoad" X="0" Y="0"></TranslateTransform></Rectangle.RenderTransform><Rectangle.Fill><ImageBrush ImageSource="D:\TestMyProduct\WPF_Chicken\WPF_Chicken\Resources\Road.jpg" Stretch="Fill"></ImageBrush></Rectangle.Fill></Rectangle>

  Bullet Bullet = new Bullet();Bullet.BulletImg = new BitmapImage(new Uri(@"D:\TestMyProduct\WPF_Chicken\WPF_Chicken\Resources\BirdBack.GIF"));System.Windows.Controls.Image Img = new System.Windows.Controls.Image();Img.Source = Bullet.BulletImg;Img.Width = 10;Img.Height = 10;Img.Stretch = Stretch.Fill;Img.Margin = new Thickness(0, 0, 0 , 0);Img.VerticalAlignment = VerticalAlignment.Bottom;Img.HorizontalAlignment = HorizontalAlignment.Right;Img.RenderTransform = new TranslateTransform(0, -30);//添加进集合ImgList.Add(Img);BulletList.Add(Bullet);//添加进屏幕Root.Children.Add(Img);