c# – 故事板完成后如何调用方法?

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我写下面的代码
  1. public void name(object sender,RoutedEventArgs e)
  2. {
  3. DoubleAnimation myDoubleAnimation = new DoubleAnimation();
  4. myDoubleAnimation.From = 1.0;
  5. myDoubleAnimation.To = 0.0;
  6. myDoubleAnimation.Duration = new Duration(TimeSpan.FromSeconds(0.2));
  7.  
  8. sb1 = new Storyboard();
  9. sb1.Children.Add(myDoubleAnimation);
  10. Storyboard.SetTargetName(myDoubleAnimation,one.Name);
  11. Storyboard.SetTargetProperty(myDoubleAnimation,new PropertyPath(Grid.OpacityProperty));
  12. sb1.Begin(this);
  13.  
  14. if (one.Opacity == 0)
  15. {
  16. Container_one.Children.Remove(one);
  17. }
  18. }

但它没有正确的做法.动画工作正常,但删除错误.如何将Storyboard-End与对方法调用结合起来?

很多东西.

解决方法

由于Storyboard的执行是异步的,您需要添加“Storyboard Completed”事件处理程序:
  1. story.Completed += new EventHandler(Story_Completed);

然后将删除代码放入:

  1. private void Story_Completed(object sender,EventArgs e)
  2. {
  3. if (one.Opacity == 0)
  4. {
  5. Container_one.Children.Remove(one);
  6. }
  7. }

这将在Storyboard完成时执行.

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