故事板完成后如何调用方法？

Question

我写下面的代码：

public void name(object sender, RoutedEventArgs e)
    {
        DoubleAnimation myDoubleAnimation = new DoubleAnimation();
        myDoubleAnimation.From = 1.0;
        myDoubleAnimation.To = 0.0;
        myDoubleAnimation.Duration = new Duration(TimeSpan.FromSeconds(0.2));

        sb1 = new Storyboard();
        sb1.Children.Add(myDoubleAnimation);
        Storyboard.SetTargetName(myDoubleAnimation, one.Name);
        Storyboard.SetTargetProperty(myDoubleAnimation, new PropertyPath(Grid.OpacityProperty));
        sb1.Begin(this);

        if (one.Opacity == 0)
        {
            Container_one.Children.Remove(one);
        }     
    }

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与对方法的调用结合起来？

很多。

Answer 1

由于Storyboard的执行是异步的，您需要添加“Storyboard Completed”事件处理程序：

story.Completed += new EventHandler(Story_Completed);

然后将删除代码放入：

private void Story_Completed(object sender, EventArgs e)
{
    if (one.Opacity == 0)
    {
        Container_one.Children.Remove(one);
    }
}

这将在故事板完成时执行。