XAML从按钮启动动画

<Button Content="Click Me">
    <Button.Triggers>
        <EventTrigger RoutedEvent="Button.MouseEnter">
            <BeginStoryboard>
                <Storyboard>
                    <DoubleAnimation From="1" To="1.2" Duration="0:0:0.2" AutoReverse="True" RepeatBehavior="Forever" Storyboard.TargetProperty="RenderTransform.ScaleX"/>
                    <DoubleAnimation From="1" To="1.2" Duration="0:0:0.2" AutoReverse="True" RepeatBehavior="Forever" Storyboard.TargetProperty="RenderTransform.ScaleY"/>
                </Storyboard>
            </BeginStoryboard>
        </EventTrigger>
    </Button.Triggers>
    <Button.RenderTransform>
        <ScaleTransform ScaleX="1" ScaleY="1"/>
    </Button.RenderTransform>
</Button>