代码如下：
<Window x:Class="WpfApplication2.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:s="clr-namespace:System;assembly=mscorlib"
    Title="3D翻转" Height="400" Width="400">
    <Window.Resources>
    <x:Array Type="{x:Type s:String}" x:Key="src">
    <s:String>3D翻转</s:String>
    </x:Array>
    <DataTemplate x:Key="frontTemplate">
    <Canvas Background="AliceBlue">
    <TextBlock FontSize="40" Foreground="Green" Text="{Binding}" />
    </Canvas>
    </DataTemplate>
    <DataTemplate x:Key="backTemplate">
    <Canvas Background="AliceBlue">
    <StackPanel>
    <RadioButton Content="Back" IsChecked="True" />
    <RadioButton Content="Click me" />
    </StackPanel>
    </Canvas>
    </DataTemplate>
    <DataTemplate x:Key="flipItemTemplate">

    <!-- Note: Camera setup only works when this is square. -->
    <Grid Width="200" Height="200">

    <!-- Provides 3D rotation transition. Hidden except for when animation is active. -->
    <Viewport3D Grid.Column="0" x:Name="vp3D" Visibility="Hidden">
    <Viewport3D.Camera>
    <PerspectiveCamera x:Name="camera" Position="0,0,0.5" LookDirection="0,0,-1" FieldOfView="90" />
    </Viewport3D.Camera>
    <Viewport3D.Children>

    <ModelVisual3D>
    <ModelVisual3D.Content>
    <Model3DGroup>
    <DirectionalLight Color="#444" Direction="0,0,-1" />
    <AmbientLight Color="#BBB" />
    </Model3DGroup>
    </ModelVisual3D.Content>
    </ModelVisual3D>
    <ModelVisual3D>
    <ModelVisual3D.Content>
    <GeometryModel3D>


    <!-- Simple flat, square surface -->
    <GeometryModel3D.Geometry>
    <MeshGeometry3D
    TriangleIndices="0,1,2 2,3,0"
    TextureCoordinates="0,1 1,1 1,0 0,0"
    Positions="-0.5,-0.5,0 0.5,-0.5,0 0.5,0.5,0 -0.5,0.5,0" />
    </GeometryModel3D.Geometry>


    <!-- Front of shape shows the content of 'frontHost' -->
    <GeometryModel3D.Material>
    <DiffuseMaterial>
    <DiffuseMaterial.Brush>
    <VisualBrush Visual="{Binding ElementName=frontHost}" />
    </DiffuseMaterial.Brush>
    </DiffuseMaterial>
    </GeometryModel3D.Material>


    <!-- Back of shape shows the content of 'backHost' -->
    <GeometryModel3D.BackMaterial>
    <DiffuseMaterial>
    <DiffuseMaterial.Brush>
    <VisualBrush Visual="{Binding ElementName=backHost}">
    <VisualBrush.RelativeTransform>
    <!-- By default, this would come out backwards because we're on the
    back on the shape. Flip it to make it right. -->
    <ScaleTransform ScaleX="-1" CenterX="0.5" />
    </VisualBrush.RelativeTransform>
    </VisualBrush>
    </DiffuseMaterial.Brush>
    </DiffuseMaterial>
    </GeometryModel3D.BackMaterial>

    <!-- Rotation transform used for transition. -->
    <GeometryModel3D.Transform>
    <RotateTransform3D>
    <RotateTransform3D.Rotation>
    <AxisAngleRotation3D x:Name="rotate" Axis="0,3,0" Angle="0" />
    </RotateTransform3D.Rotation>
    </RotateTransform3D>
    </GeometryModel3D.Transform>
    </GeometryModel3D>
    </ModelVisual3D.Content>
    </ModelVisual3D>
    </Viewport3D.Children>
    </Viewport3D>

    <!-- We use a pair of nested Borders to wrap the content that's going to go on each side of the rotating model.
    The reason is that we need to be able to fade these real bits of UI in and out
    as we transition from front to back, but we need to make sure the VisualBrush
    in the 3D model doesn't also get faded out. So the VisualBrush uses the inner
    Border, while the fade is applied to the outer one.
    -->
    <Border x:Name="frontWrapper">
    <!-- Note, it's important that this element has visuals that completely fill the space, as
    otherwise it messes with the VisualBrush's size in the 3D model. Setting the background
    has that effect, even a transparent one. -->
    <Border x:Name="frontHost" Background="Transparent">
    <Border.Triggers>
    <EventTrigger RoutedEvent="Grid.MouseDown">
    <BeginStoryboard>
    <Storyboard>
    <!-- Make the Viewport3D visible only for the duration of the rotation. -->
    <ObjectAnimationUsingKeyFrames
    Storyboard.TargetName="vp3D"
    Storyboard.TargetProperty="Visibility">
    <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{x:Static Visibility.Visible}" />
    <DiscreteObjectKeyFrame KeyTime="0:0:1.1" Value="{x:Static Visibility.Hidden}" />
    </ObjectAnimationUsingKeyFrames>

    <!-- Make the background element visible. (It won't actually appear until it is
    faded in right at the end of the animation.) -->
    <ObjectAnimationUsingKeyFrames
    Storyboard.TargetName="backWrapper"
    Storyboard.TargetProperty="Visibility">
    <DiscreteObjectKeyFrame KeyTime="0:0:1" Value="{x:Static Visibility.Visible}"/>
    </ObjectAnimationUsingKeyFrames>


    <!-- Hide the foreground element. It will already be invisible by this time
    because we fade it out right at the start of the animation. However, until
    we set its Visibility to Hidden, it will still be visible to the mouse... -->
    <ObjectAnimationUsingKeyFrames
    Storyboard.TargetName="frontWrapper"
    Storyboard.TargetProperty="Visibility">
    <DiscreteObjectKeyFrame KeyTime="0:0:0.05" Value="{x:Static Visibility.Hidden}" />
    </ObjectAnimationUsingKeyFrames>


    <!-- Fade the front wrapper out. The Viewport3D is behind us, so it'll fade into
    view at this point. The reason for fading is to avoid a visible step as we
    switch from the real UI to the copy projected onto the 3D model. -->
    <DoubleAnimation To="0" Duration="0:0:0.05"
    Storyboard.TargetName="frontWrapper"
    Storyboard.TargetProperty="Opacity" />

    <!-- Fade the back wrapper in. Once the spin completes, we fade the real back UI
    in over the Viewport3D - using a fade to avoid a sudden jolt between the
    slightly fuzzy 3D look and the real UI. -->
    <DoubleAnimation BeginTime="0:0:1.05" Duration="0:0:0.05" To="1"
    Storyboard.TargetName="backWrapper"
    Storyboard.TargetProperty="Opacity" />
<!-- 3D animation. Move the camera out slightly as we spin, so the model fits entirely
    within the field of view. Rotate the model 180 degrees. -->
    <Point3DAnimation To="0,0,1.1" From="0,0,0.5"
    BeginTime="0:0:0.05" Duration="0:0:0.5" AutoReverse="True" DecelerationRatio="0.3"
    Storyboard.TargetName="camera"
    Storyboard.TargetProperty="(PerspectiveCamera.Position)" />
    <DoubleAnimation From="0" To="180" AccelerationRatio="0.3" DecelerationRatio="0.3"
    BeginTime="0:0:0.05" Duration="0:0:1"
    Storyboard.TargetName="rotate"
    Storyboard.TargetProperty="Angle" />
    </Storyboard>
    </BeginStoryboard>
    </EventTrigger>
    </Border.Triggers>
    <ContentPresenter Content="{Binding}" ContentTemplate="{StaticResource frontTemplate}" />
    </Border>
    </Border>
    <Border x:Name="backWrapper" Grid.Column="0" Visibility="Hidden" Opacity="0">
    <Border x:Name="backHost" Background="Transparent">
    <Border.Triggers>
    <EventTrigger RoutedEvent="Grid.MouseDown">
    <BeginStoryboard>
    <Storyboard>
    <ObjectAnimationUsingKeyFrames
    Storyboard.TargetName="vp3D"
    Storyboard.TargetProperty="Visibility">
    <DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{x:Static Visibility.Visible}" />
    <DiscreteObjectKeyFrame KeyTime="0:0:1.1" Value="{x:Static Visibility.Hidden}" />
    </ObjectAnimationUsingKeyFrames>

    <ObjectAnimationUsingKeyFrames
    Storyboard.TargetName="frontWrapper"
    Storyboard.TargetProperty="Visibility">
    <DiscreteObjectKeyFrame KeyTime="0:0:1" Value="{x:Static Visibility.Visible}"/>
    </ObjectAnimationUsingKeyFrames>
    <ObjectAnimationUsingKeyFrames
    Storyboard.TargetName="backWrapper"
    Storyboard.TargetProperty="Visibility">
    <DiscreteObjectKeyFrame KeyTime="0:0:0.05" Value="{x:Static Visibility.Hidden}" />
    </ObjectAnimationUsingKeyFrames>

    <DoubleAnimation To="0" Duration="0:0:0.05"
    Storyboard.TargetName="backWrapper"
    Storyboard.TargetProperty="Opacity" />
    <DoubleAnimation BeginTime="0:0:1.05" Duration="0:0:0.05"
    Storyboard.TargetName="frontWrapper"
    Storyboard.TargetProperty="Opacity" />

    <Point3DAnimation To="0,0,1.1" From="0,0,0.5"
    BeginTime="0:0:0.05" Duration="0:0:0.5" AutoReverse="True" DecelerationRatio="0.3"
    Storyboard.TargetName="camera"
    Storyboard.TargetProperty="(PerspectiveCamera.Position)" />
    <DoubleAnimation From="180" To="360" AccelerationRatio="0.3" DecelerationRatio="0.3"
    BeginTime="0:0:0.05" Duration="0:0:1"
    Storyboard.TargetName="rotate"
    Storyboard.TargetProperty="Angle" />
    </Storyboard>
    </BeginStoryboard>
    </EventTrigger>
    </Border.Triggers>
    <ContentPresenter Content="{Binding}" ContentTemplate="{StaticResource backTemplate}" />
    </Border>
    </Border>


    </Grid>
    </DataTemplate>
    </Window.Resources>
    <Canvas>
    <ItemsControl ItemsSource="{StaticResource src}" ItemTemplate="{StaticResource flipItemTemplate}" Canvas.Left="115" Canvas.Top="63">
    <ItemsControl.ItemsPanel>
    <ItemsPanelTemplate>
    <WrapPanel />
    </ItemsPanelTemplate>
    </ItemsControl.ItemsPanel>
    </ItemsControl>
    </Canvas>
</Window>

这只是窗体内容翻转，如何连同窗体一起翻转？？？