闪烁/闪烁而不褪色

Question

我在打开/关闭/打开/关闭边框时遇到了问题...不会褪色。它应该是2秒开，2秒关。

这就是我所拥有的：

<BeginStoryboard>
   <Storyboard RepeatBehavior="Forever">
      <DoubleAnimation Storyboard.TargetProperty="Opacity">
         <DiscreteDoubleKeyFrame KeyTime="0:0:2" Value="0.1" />
         <DiscreteDoubleKeyFrame KeyTime="0:0:2" Value="1" />
      </DoubleAnimation>
   </Storyboard>
</BeginStoryboard>

Answer 1

<BeginStoryboard>
    <Storyboard RepeatBehavior="Forever">
        <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="Opacity">
            <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="0" />
            <DiscreteDoubleKeyFrame KeyTime="0:0:2" Value="1" />
            <DiscreteDoubleKeyFrame KeyTime="0:0:4" Value="0" />
        </DoubleAnimationUsingKeyFrames>
    </Storyboard>
</BeginStoryboard>