Snake Game in WPF

private void Window_KeyDown(object sender, KeyEventArgs e){
if (e.Key == Key.Left)
{

move = "Left"; }
if (e.Key == Key.Right)
{
move = "Right";

}
if (e.Key == Key.Up)
{
move = "Up";

}

if (e.Key == Key.Down) {
move = "Down";

}}

System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Click);
dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 75);
dispatcherTimer.Start();

if (move == "Left"){
randomz();
double e1l = Canvas.GetLeft(ellipse1);//get
double e1t = Canvas.GetTop(ellipse1);
double e2l = Canvas.GetLeft(ellipse2);
double e2t = Canvas.GetTop(ellipse2);
double e3t = Canvas.GetTop(ellipse3);
double e3l = Canvas.GetLeft(ellipse3);
double e4t = Canvas.GetTop(ellipse4);
double e4l = Canvas.GetLeft(ellipse4);
double e5t = Canvas.GetTop(ellipse5);
double e5l = Canvas.GetLeft(ellipse5);
double e6t = Canvas.GetTop(ellipse6);
double e6l = Canvas.GetLeft(ellipse6);
double e7t = Canvas.GetTop(ellipse7);
double e7l = Canvas.GetLeft(ellipse7);

Canvas.SetLeft(ellipse1, e1l-25);//set

Canvas.SetLeft(ellipse2, e1l); Canvas.SetTop(ellipse2,e1t);

Canvas.SetLeft(ellipse3,e2l); Canvas.SetTop(ellipse3,e2t);
Canvas.SetLeft(ellipse4,e3l);
Canvas.SetTop(ellipse4,e3t);
Canvas.SetLeft(ellipse5, e4l);
Canvas.SetTop(ellipse5, e4t);
Canvas.SetLeft(ellipse6, e5l);
Canvas.SetTop(ellipse6, e5t);
Canvas.SetLeft(ellipse7, e6l);
Canvas.SetTop(ellipse7, e6t);
Canvas.SetLeft(ellipse8, e7l);
Canvas.SetTop(ellipse8, e7t);
}