private async Task StartAnimatingTextBox(TextBox textBox)
{
int count = animations.Count;
if (count > 0)
{
List <AnimationSet> animationsToRemove = new List <AnimationSet>();
for (int i = 0; i < count; i++)
{
animations[i].Completed -= Fade_Completed;
animations[i].Stop();
animationsToRemove.Add(animations[i]);
}
int deleteCount = animationsToRemove.Count;
for (int i = 0; i < count; i++)
{
animations.Remove(animationsToRemove[i]);
}
animationsToRemove.Clear();
}
var changedTextBox = (TextBox)textBox;
await changedTextBox.Fade(1, 0).StartAsync();
if (TweetButton.IsEnabled)
{
double duration = FadeAnimationTime;
var fade = TweetTextBox.Fade(0, duration / 2, duration / 2);
fade.Completed += Fade_Completed;
animations.Add(fade);
await fade.StartAsync();
}
}
private async void Fade_Completed(object sender, AnimationSetCompletedEventArgs e)
{
TweetTextBox.Text = "";
await TweetTextBox.Fade(1, ShowAnimationTime).StartAsync();
}