private async void Donut_Background()
{
await Donut.RotateTo(10, 0);
await Donut.ScaleTo(1.5, 0);
await Donut.TranslateTo(20, -800, 100000);
await Donut.TranslateTo(-20, 0, 1);
}
private void Donut_Background()
{
Task.WhenAny <bool>
(
Donut.RotateTo(10, 0),
Donut.ScaleTo(1.5, 0),
Donut.TranslateTo(20, -1000, 100000),
Donut.TranslateTo(-20, 1000, 0),
Donut.TranslateTo(20, -1000, 100000)
);
}