ArcGISPortalViewer.Controls.LiveTile.UpdateNextItem C# (CSharp) Method

        private void UpdateNextItem()
        {
            var sb = new Windows.UI.Xaml.Media.Animation.Storyboard();
            if (_translate != null)
            {
                var anim = new Windows.UI.Xaml.Media.Animation.DoubleAnimation();
                anim.Duration = new Duration(TimeSpan.FromMilliseconds(500));
                anim.From = 0;
                if(Direction == LiveTile.SlideDirection.Up)
                    anim.To = -this.ActualHeight;
                else if (Direction == LiveTile.SlideDirection.Left)
                    anim.To = -this.ActualWidth;

                anim.FillBehavior = Windows.UI.Xaml.Media.Animation.FillBehavior.HoldEnd;
                anim.EasingFunction = new Windows.UI.Xaml.Media.Animation.CubicEase() { EasingMode = Windows.UI.Xaml.Media.Animation.EasingMode.EaseOut };
                Windows.UI.Xaml.Media.Animation.Storyboard.SetTarget(anim, _translate);
                if(Direction == LiveTile.SlideDirection.Up
                    // || this.SlideDirection == SlideView.SlideDirection.Down
                    )
                    Windows.UI.Xaml.Media.Animation.Storyboard.SetTargetProperty(anim, "Y");
                else
                    Windows.UI.Xaml.Media.Animation.Storyboard.SetTargetProperty(anim, "X");
                sb.Children.Add(anim);
            }
            sb.Completed += (a, b) =>
            {
                //Reset back and swap images, getting the next image ready
                if (_currentElement != null)
                    _currentElement.DataContext = GetCurrent();
                DispatcherTimer timer = new DispatcherTimer() { Interval = TimeSpan.FromMilliseconds(250) }; //Give the next panel a little time to load
                timer.Tick += (s, e) =>
                {
                    timer.Stop();
                    sb.Stop(); //Also resets transform
                    if (_nextElement != null)
                        _nextElement.DataContext = GetNext();
                };
                timer.Start();
            };
            sb.Begin();
        }