這裡只是做出和窗體旋轉效果一樣的效果，並不是真的窗體旋轉，原理是，將窗體設定成無邊框透明，在窗體中放置一個canvas，然後啟動的時候，給canvas設定旋轉動畫，效果如同窗體旋轉一樣。
程式碼：

<Window x:Class="QuickAnswer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 

        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:QuickAnswer"
        mc:Ignorable="d"
        Title="MainWindow"  Height="726" Width="726" WindowStyle="None"    
     Name="QuickAnswer"   Background="Transparent" AllowsTransparency="True" WindowStartupLocation
 
="CenterScreen" WindowState="Normal" ContentRendered="QuickAnswer_ContentRendered" Topmost="True">
    <Window.Resources>
        <!--此樣式能去除按鈕點選後的虛線框-->
        <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>
        <!--原始旋轉出來樣例-->
        <Storyboard x:Key="showDW">
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                        Storyboard.TargetProperty="Opacity"  
                        From="0.2" To="1" Duration="0:0:2.5">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                        Storyboard.TargetProperty="RenderTransform.Children[1].Angle"  
                        From="1080" To="0" Duration="0:0:2" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        From="0" To="1" Duration="0:0:2"   
                        AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        From="0" To="1" Duration="0:0:2"   
                        AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        To="0.98" BeginTime="0:0:2" Duration="0:0:0.05"   
                        DecelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        To="0.98" BeginTime="0:0:2" Duration="0:0:0.05"   
                        DecelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        To="1" BeginTime="0:0:2.05" Duration="0:0:0.2"    
                        AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"                
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        To="1" BeginTime="0:0:2.05" Duration="0:0:0.2"   
                        AccelerationRatio="1">
            </DoubleAnimation>
        </Storyboard>
        <!--原始的旋轉回去樣例-->
        <Storyboard x:Key="closeDW">
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"   
                      Storyboard.TargetProperty="RenderTransform.Children[1].Angle"  
                      To="360" Duration="0:0:1.5" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"   
                      Storyboard.TargetProperty="Opacity"  
                      To="0" Duration="0:0:3">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"   
                      Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                      To="0" Duration="0:0:1.5" AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="HeadCanvas"  
                      Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                      To="0" Duration="0:0:1.5" AccelerationRatio="1">
            </DoubleAnimation>
        </Storyboard>
        <!--轉出來-->
        <Storyboard x:Key="showDW1">
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="Opacity"  
                        From="0" To="1" Duration="0:0:0.2">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[1].Angle"  
                        From="180" To="0" Duration="0:0:0.2" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        From="0.2" To="1" Duration="0:0:0.2"   
                        AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        From="0.2" To="1" Duration="0:0:0.2"   
                        AccelerationRatio="1">
            </DoubleAnimation>
        </Storyboard>
        <!--彈出來-->
        <Storyboard x:Key="showDW2">
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        From="0.2" To="0.5" Duration="0:0:0.04" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        From="0.2" To="0.5" Duration="0:0:0.04" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                          From="0.5" To="1" Duration="0:0:0.04" BeginTime="0:0:0.04" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                         From="0.5" To="1" Duration="0:0:0.04" BeginTime="0:0:0.04">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                         From="1" To="1.2" Duration="0:0:0.04" BeginTime="0:0:0.08" AutoReverse="True" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        From="1"  To="1.2" Duration="0:0:0.04" BeginTime="0:0:0.08" AutoReverse="True">
            </DoubleAnimation>
        </Storyboard>
        <!--轉回去-->
        <Storyboard x:Key="closeDW1">
            <DoubleAnimation Storyboard.TargetName="Canvas1"   
                      Storyboard.TargetProperty="RenderTransform.Children[1].Angle"  
                      To="180" Duration="0:0:0.2" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"   
                      Storyboard.TargetProperty="Opacity"  
                      To="0" Duration="0:0:0.2">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"   
                      Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                      To="0.2" Duration="0:0:0.2" AccelerationRatio="1">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                      Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                      To="0.2" Duration="0:0:0.2" AccelerationRatio="1">
            </DoubleAnimation>
        </Storyboard>

        <!--彈回去-->
        <Storyboard x:Key="closeDW2">
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                        From="1" To="1.2" Duration="0:0:0.04"  AutoReverse="True">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        From="1" To="1.2" Duration="0:0:0.04"  AutoReverse="True">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                          From="1" To="0.5" Duration="0:0:0.04" BeginTime="0:0:0.04" >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                         From="1" To="0.5" Duration="0:0:0.04" BeginTime="0:0:0.04">
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleX"  
                         From="0.5" To="0.2" Duration="0:0:0.04" BeginTime="0:0:0.08"  >
            </DoubleAnimation>
            <DoubleAnimation Storyboard.TargetName="Canvas1"  
                        Storyboard.TargetProperty="RenderTransform.Children[0].ScaleY"  
                        From="0.5"  To="0.2" Duration="0:0:0.04" BeginTime="0:0:0.08" >
            </DoubleAnimation>
        </Storyboard>
    </Window.Resources>
    <Window.Triggers>
        <!--設定QuickAnswer的事件觸發-->
        <!--注意對窗體window的name取為QuickAnswer-->
        <EventTrigger SourceName="QuickAnswer" RoutedEvent="Window.Loaded">
            <BeginStoryboard Name="showQueryCanvasStoryboard2"   
                      Storyboard="{StaticResource showDW}">
            </BeginStoryboard>
        </EventTrigger>
        <!--設定button1的事件觸發-->
        <!--注意對按鈕的name取為button1-->

    </Window.Triggers>

    <Canvas Background="Transparent" Height="726" Width="726">
        <Canvas Name="HeadCanvas" Height="726" Width="726" Canvas.Left="0" Canvas.Top="0" >
            <Canvas.Background>
                <ImageBrush ImageSource="/image/icon_preemptive_sucess_man.png"/>
            </Canvas.Background>
            <!--設定動畫-->
            <Canvas.RenderTransform>
                <TransformGroup>
                    <ScaleTransform CenterX="326" CenterY="326"></ScaleTransform>
                    <!--縮放中心為326,326。RenderTransform.Children[0]-->
                    <RotateTransform CenterX="326" CenterY="326"></RotateTransform>
                    <!--旋轉中心為326,326。RenderTransform.Children[1]-->
                </TransformGroup>
            </Canvas.RenderTransform>
            <Label x:Name="studentNameLab" Canvas.Left="289.5" Canvas.Top="652.65" Content="龐大慶" FontSize="48" Foreground="White"/>
        </Canvas>
    </Canvas>
</Window>