private async static void AddSlideAnimation(List <FrameworkElement> items)
{
for (int index = 0; index < items.Count; index++)
{
var lbi = items[index];
await Window.Current.Dispatcher.RunAsync(CoreDispatcherPriority.High, () =>
{
var animationTargets = lbi.Descendants()
.Where(p => ListAnimationsHelper.GetAnimationLevel(p) > -1);
foreach (FrameworkElement target in animationTargets)
{
GetSlideAnimation(target, fromRight).Begin();
}
});
}
;
}
private static Storyboard GetSlideAnimation(FrameworkElement element, bool fromRight)
{
double from = fromRight ? 80 : -80;
Storyboard sb;
double delay = (ListAnimationsHelper.GetAnimationLevel(element)) * 0.1 + 0.1;
TranslateTransform trans = new TranslateTransform()
{
X = from
};
element.RenderTransform = trans;
sb = new Storyboard();
sb.BeginTime = TimeSpan.FromSeconds(delay);
sb.Children.Add(CreateAnimation(from, 0, 0.8, "X", trans));
return(sb);
}