    <Canvas x:Name="juur">
        <Rectangle x:Name="ruut1" Fill="Green" Width="100" Height="100" />
    </Canvas>


using System.Windows.Threading;
    public partial class MainPage : UserControl
    {
        int x = 0;
        public MainPage()
        {
            InitializeComponent();
            System.Windows.Threading.DispatcherTimer kell = new System.Windows.Threading.DispatcherTimer();
            kell.Interval = new TimeSpan(0, 0, 0, 0, 100); // 100 Milliseconds 
            kell.Tick += new EventHandler(tiks);
            kell.Start();

        }
        public void tiks(object o, EventArgs saatja) {
            x++;
            Canvas.SetLeft(ruut1, x);           
        }
    }


            Rectangle r1 = new Rectangle();
            r1.Fill = new SolidColorBrush(Colors.Blue);
            r1.Width = 50;
            r1.Height = 30;
            juur.Children.Add(r1);
            Canvas.SetLeft(r1, x);
            Canvas.SetTop(r1, 200);
            juur.UpdateLayout();


     public void tiks(object o, EventArgs saatja) {
            x++;
            Canvas.SetLeft(ruut1, x);
            Rectangle r1 = new Rectangle();
            r1.Fill = new SolidColorBrush(Colors.Blue);
            r1.Width = 50;
            r1.Height = 30;
            juur.Children.Add(r1);
            Canvas.SetLeft(r1, x);
            Canvas.SetTop(r1, new Random().Next(100));
            juur.UpdateLayout();
            r1.MouseLeftButtonDown+=new MouseButtonEventHandler(hiir_alla);
        }

        private void hiir_alla(object saatja, MouseButtonEventArgs e) {
            ((Rectangle)saatja).Fill = new SolidColorBrush(Colors.Green);
        }


        void klient_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
        {
            //MessageBox.Show(new StreamReader(e.Result).ReadToEnd());
            plokk1.Text = new StreamReader(e.Result).ReadToEnd();
        }
        void andmed_kohal(object saatja, UploadStringCompletedEventArgs e) {
            if (e.Error != null) MessageBox.Show(e.Error.Message);
            MessageBox.Show(e.Result);
        }

        private void nupp1_Click(object sender, RoutedEventArgs e)
        {
            WebClient klient = new WebClient();
            //klient.UploadStringCompleted += new UploadStringCompletedEventHandler(andmed_kohal);
            //            klient.UploadStringAsync(new Uri("http://localhost:4525/tervitaja.aspx?eesnimi=Kalle"),"");
            klient.OpenReadAsync(new Uri("http://localhost:4525/tervitaja.aspx?eesnimi="+tekst1.Text));
            klient.OpenReadCompleted += new OpenReadCompletedEventHandler(klient_OpenReadCompleted);

        }


            BitmapImage bi = new BitmapImage(new Uri("http://localhost:4525/pilt1.png"));
            p1.Source = bi;
            Canvas.SetTop(p1, 300);
            juur.Children.Add(p1);