WPF动画结束时是否会触发任何事件？voidHideDefaultScreenImageTimer_Tick(objectsender,EventArgse){HideDefaultScreenImageTimer.Stop();vardoubleAnimation=newDoubleAnimation(1,0,newDuration(TimeSpan.FromSeconds(0.45)));DefaultScreenImage.BeginAnimation(UIElement.OpacityProperty,doubleAnimation);//Ineedsomeeventwhena