wpf按钮窗体动画

<Window.Resources>
        <!--此样式能去除按钮点击后的虚线框-->
        <Style x:Key="MyFocusVisual">
            <Setter Property="Control.Template">
                <Setter.Value>
                    <ControlTemplate>
                        <Rectangle Margin="-2" StrokeThickness="0" Stroke="Red" StrokeDashArray="1 2"/>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <!--原始旋转出来样例-->
        <Storyboard x:Key="showDW">
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="Opacity"  
                        From="0.2" To="1" Duration="0:0:2.5">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[1].Angle"  
                        From="70" To="0" Duration="0:0:2" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        From="0" To="1" Duration="0:0:2"   
                        AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        From="0" To="1" Duration="0:0:2"   
                        AccelerationRatio="1">

            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        To="0.98" BeginTime="0:0:2" Duration="0:0:0.05"   
                        DecelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        To="0.98" BeginTime="0:0:2" Duration="0:0:0.05"   
                        DecelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        To="1" BeginTime="0:0:2.05" Duration="0:0:0.2"    
                        AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"                
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        To="1" BeginTime="0:0:2.05" Duration="0:0:0.2"   
                        AccelerationRatio="1">
            </DoubleAnimation>
        </Storyboard>
        <!--原始的旋转回去样例-->
        <Storyboard x:Key="closeDW">
            <DoubleAnimation Storyboard.TargetName="Canvas1"   
                      Storyboard.TargetProperty="RenderTransform.Children[1].Angle"  
                      To="360" Duration="0:0:1.5" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"   
                      Storyboard.TargetProperty="Opacity"