WPF添加动画过渡效果

<Window.Triggers>

<EventTrigger RoutedEvent="Button.Click" SourceName="yxkBt">

<BeginStoryboard>

<Storyboard>

<ThicknessAnimation To="0,0,0,0" Duration="0:0:0.3"

Storyboard.TargetName="btList2"

Storyboard.TargetProperty="Margin"/>

</Storyboard>

</BeginStoryboard>

</EventTrigger>

</Window.Triggers>

<Button Margin="5,5,5,5" Height="60" FontSize="26" x:Name="yxkBt">开始动画</Button>

btList2：是菜单列表，是给btList2做动画效果，让他的margin属性移动到0,0,0,0，耗时三秒

yxkBt：是菜单按钮，是触发动画的地方