void VertexAnimation_Completed(object sender, EventArgs e)
{
if (sender is ClockGroup)
{
return;
}
var control = (IGraphControl)Storyboard.GetTarget((sender as AnimationClock).Timeline);
if (!VertexStorage.ContainsKey(control))
{
return; //just in case of... who knows what?
}
control.SetPosition(VertexStorage[control], false);
VertexStorage.Remove(control);
var story = CreateStory(control, 0, 1, null);
story.Completed += story_Completed;
story.Begin(control as Control, HandoffBehavior.Compose);
}