ArcGISWindowsPhoneSDK.AddLayerDynamically.AddLayerButton_Click C# (CSharp) Method

        private void AddLayerButton_Click(object sender, System.Windows.RoutedEventArgs e)
        {
            MyMap.Layers.Clear();

            ArcGISTiledMapServiceLayer NewTiledLayer = new ArcGISTiledMapServiceLayer();

            MyMap.Layers.LayersInitialized += (evtsender, args) =>
            {
                MyMap.ZoomTo(NewTiledLayer.InitialExtent);
            };

            NewTiledLayer.Url = UrlTextBox.Text;
            MyMap.Layers.Add(NewTiledLayer);
        }