public void show()
        { 
            Canvas canvas = new Canvas();
            this.MainWindow.Content = canvas;
            Image backgroundImage = new Image { Name = "background", Source = new BitmapImage(new Uri("C:/tempConcours/newGameBackground.png", UriKind.Absolute)), };
            backgroundImage.RenderTransform = MainScaleTransform;
            canvas.Children.Add(backgroundImage);
            Canvas.SetLeft(backgroundImage, 0);
            Canvas.SetTop(backgroundImage, 0);

            Label teamNameLabel = new Label { Name = "teamNameLabel", FontSize = 60, Content = "Nom de l'équipe" };
            canvas.Children.Add(teamNameLabel);
            Canvas.SetTop(teamNameLabel, 650);
            Canvas.SetRight(teamNameLabel, 800);

            this.teamNameTextBox = new UbiTextBox { Name = "teamNameTextBox", Text = "nom", FontSize = 40, Width = 500, Height = 70 };
            canvas.Children.Add(teamNameTextBox);
            Canvas.SetTop(teamNameTextBox, 670);
            Canvas.SetRight(teamNameTextBox, 250);

            TouchButton startButton = new TouchButton { Content = "Lancer le jeu", Width = 200, Height = 69 };
            startButton.Background = Brushes.YellowGreen;

            startButton.ButtonTap += startButton_Tap;

            canvas.Children.Add(startButton);
            Canvas.SetTop(startButton, 661);
            Canvas.SetRight(startButton, 50);

            //this.startButton_Tap(null, null);
        }
        private Connection AddLink(UIElement source,UIElement sink)
        {
            var con = new Connection()
            {
                RoutingStyle = new RoutingStraightLine(),
                VisualStyle = new VisualSimpleLine() { Stroke = new Pen() { Brush = Brushes.Gray, DashStyle = new DashStyle(new double[] { 5, 5 }, 0), Thickness = 3 } },
                Source = source,
                Sink = sink,
                BeginCap = new GeometryDrawing(
                    new SolidColorBrush(Color.FromArgb(255, 181, 243, 20)),
                    new Pen(Brushes.Black, 4),
                    Geometry.Parse("M -17,0 L -24,14 L 0,0 L -25,-14 Z")
                ),
                EndCap = new GeometryDrawing(
                    new SolidColorBrush(Color.FromArgb(255, 181, 243, 20)),
                    new Pen(Brushes.Black, 4),
                    Geometry.Parse("M -17,0 L -24,14 L 0,0 L -25,-14 Z")
                )
            };
           
            AddGesture(con, con.BeginThumb);
            AddGesture(con, con.EndThumb);

            #region addTextbox

            var text = new UbiTextBox()
            {
                Padding = new Thickness(5),
                Background = Brushes.WhiteSmoke,
                Text = RandomHelper.GetRandomString(),
                FontSize = 12,
                MaxWidth = 150,
                MaxHeight = 100,
                AcceptsReturn = true,
                TextWrapping = TextWrapping.Wrap,
                TextAlignment = TextAlignment.Center,
            };
            var border = new Border() { Child = text, BorderBrush = Brushes.Black, BorderThickness = new Thickness(2) };
            var tap = new TapProcessor();
            tap.Tap += delegate(object o, TapEventArgs arg)
            {
                if (!text.IsReadOnly)
                    return;
                text.IsReadOnly = false;
                var key = KeyboardManager.RequestKeyboard(new KeyboardRequestArgs(text) { Position = arg.Transform.ConvertToVisual(text).Center /*GetCurrentPositionForElement(text)*/ });
                key.KeyboardClosed += delegate(object oo, System.EventArgs ee)
                {
                    text.IsReadOnly = true;
                };
            };
            TouchSurfaceWPF.GetOrCreateTouchSurface(border).AddGestureProcessor(tap);

            Connection.SetPlacementPercentage(text, 0.5);
            Connection.SetUseTangent(border, true);
            con.Children.Add(border);

            #endregion addTextbox

            conlayer.Children.Add(con);

            return con;
        }