private void Flip()
{
if (containerGrid.Children != null && containerGrid.Children.Count > 0)
{
var image = containerGrid.Children[rnd.Next(0, containerGrid.Children.Count)] as Image;
var uri = ImageSourceMap.Uris[rnd.Next(0, ImageSourceMap.Count)];
var source = ImageSourceMap[uri];
Storyboard.SetTarget(FadeOutAnimation, image);
Storyboard.SetTarget(FadeInAnimation, image);
Task.Run(() =>
{
SyncContext.Post((o) => FadeOutStoryboard.Begin(), null);
Task.Delay(1_500).GetAwaiter().GetResult();
SyncContext.Post((o) =>
{
ImageSourceMap.MinusOneReference(image.Source);
image.Source = source;
FadeInStoryboard.Begin();
}, null);
});
}
}
public void SetUris(IEnumerable <Uri> uris)
{
ImageSourceMap.SetUris(uris);
}