private void BouncePinBtn_Tapped(object sender, TappedRoutedEventArgs e)
        {
            Image forImage = new Image();

            forImage.Source = new BitmapImage(new Uri("ms-appx:///Assets/pin.png"));
            MapControl.SetLocation(forImage, MyMap.Center);
            MapItems.Items.Add(forImage);
            PushpinAnimations.Bounce(forImage, null, null);
        }
        private async void Bounce4PinsBtn_Tapped(object sender, TappedRoutedEventArgs e)
        {
            for (var i = 0; i < path.Positions.Count; i++)
            {
                Image forImage = new Image();
                forImage.Source = new BitmapImage(new Uri("ms-appx:///Assets/pin.png"));

                MapControl.SetLocation(forImage, new Geopoint(path.Positions[i]));
                MapItems.Items.Add(forImage);
                PushpinAnimations.Bounce(forImage, null, null);
                await Task.Delay(500);
            }
        }