wpf 文字动态动画效果

<Window.Background>
        <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
            <GradientStop Color="Black" Offset="0"/>
            <GradientStop Color="#FF666666" Offset="1"/>
        </LinearGradientBrush>
    </Window.Background>
    <Window.Resources>
        <DrawingBrush x:Key="MyWireBrushResource" 
            Viewport="0,0,10,10" ViewportUnits="Absolute" TileMode="Tile">
            <DrawingBrush.Drawing>
             <DrawingGroup>
                <DrawingGroup.Children>
                 <GeometryDrawing Geometry="M0,0 L1,0 1,0.1, 0,0.1Z" Brush="#66CCCCFF" />
                 <GeometryDrawing Geometry="M0,0 L0,1 0.1,1, 0.1,0Z" Brush="#66CCCCFF" />
                </DrawingGroup.Children>
             </DrawingGroup>
            </DrawingBrush.Drawing>
        </DrawingBrush>    
    </Window.Resources>
    
    

    <StackPanel Margin="40">
        <Border Name="TextBorder" HorizontalAlignment="Left" 
Background="{StaticResource ResourceKey=MyWireBrushResource}"
        VerticalAlignment="Center">
                <TextBlock Name="RealText" FontFamily="Segoe UI" FontSize="60px"
                 Margin="40" Foreground="White">Windows 7
                    <TextBlock.TextEffects>
                        <TextEffect PositionCount="1" x:Name="MyTextEffect">
                            <TextEffect.Transform>
                                <SkewTransform x:Name="TextEffectSkewTransform" CenterX="180" 
CenterY="30">
                                    
                                </SkewTransform>
                            </TextEffect.Transform>
                        </TextEffect>
                    </TextBlock.TextEffects>
                    
                    <TextBlock.Triggers>
                        <EventTrigger RoutedEvent="TextBlock.Loaded">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation From="0" To="15" Duration="0:0:0.25" 
RepeatBehavior="Forever"
                                    AutoReverse="True" 
Storyboard.TargetName="TextEffectSkewTransform"
                                    Storyboard.TargetProperty="AngleX"></DoubleAnimation>
                                    
                                    <DoubleAnimation From="0" To="43" Duration="0:0:0.5" 
RepeatBehavior="Forever"
                                    AutoReverse="True" 
Storyboard.TargetName="TextEffectSkewTransform"
                                    Storyboard.TargetProperty="AngleY"></DoubleAnimation>
                                    
                                    <DoubleAnimation From="30" To="400" Duration="0:0:13" 
RepeatBehavior="Forever"
                                    AutoReverse="True" 
Storyboard.TargetName="TextEffectSkewTransform"
                                    Storyboard.TargetProperty="CenterX"></DoubleAnimation>
                                    
                                    <Int32AnimationUsingKeyFrames 
Storyboard.TargetName="MyTextEffect"
                                     Storyboard.TargetProperty="PositionStart" Duration="0:0:13"
                                     AutoReverse="True" RepeatBehavior="Forever">
                                        <Int32AnimationUsingKeyFrames.KeyFrames>
                                            <DiscreteInt32KeyFrame Value="0" KeyTime="0:0:0">
</DiscreteInt32KeyFrame>
                                            <DiscreteInt32KeyFrame Value="1" KeyTime="0:0:1" />
                                            <DiscreteInt32KeyFrame Value="2" KeyTime="0:0:2" />
                                               <DiscreteInt32KeyFrame Value="3" KeyTime="0:0:3" />
                                               <DiscreteInt32KeyFrame Value="4" KeyTime="0:0:4" />
                                              <DiscreteInt32KeyFrame Value="5" KeyTime="0:0:5" />
                                            <DiscreteInt32KeyFrame Value="6" KeyTime="0:0:6" />
                                               <DiscreteInt32KeyFrame Value="7" KeyTime="0:0:7" />
                                            <DiscreteInt32KeyFrame Value="8" KeyTime="0:0:8" />
                                            <DiscreteInt32KeyFrame Value="9" KeyTime="0:0:9" />
                                              <DiscreteInt32KeyFrame Value="10" KeyTime="0:0:10" />
                                              <DiscreteInt32KeyFrame Value="11" KeyTime="0:0:11" />
                                              <DiscreteInt32KeyFrame Value="12" KeyTime="0:0:12" />
                                        </Int32AnimationUsingKeyFrames.KeyFrames>
                                     </Int32AnimationUsingKeyFrames>
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                    </TextBlock.Triggers>
                 </TextBlock>
        </Border>
        
        <Rectangle Name="ReflectedText" Height="{Binding ElementName=TextBorder,Path=ActualHeight}"
        Width="{Binding ElementName=TextBorder,Path=ActualWidth}" HorizontalAlignment="Left"
        VerticalAlignment="Top">
            <Rectangle.OpacityMask>
                <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
                    <LinearGradientBrush.GradientStops>
                        <GradientStop Offset="0.0" Color="#66000000"></GradientStop>
                        <GradientStop Offset="1.0" Color="#00000000"></GradientStop>
                    </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>
            </Rectangle.OpacityMask>
            <Rectangle.Fill>
                <VisualBrush Visual="{Binding ElementName=TextBorder}">
                    <VisualBrush.RelativeTransform>
                        <TransformGroup>
                            <ScaleTransform ScaleX="1" ScaleY="-1"></ScaleTransform>
                            <TranslateTransform Y="1"></TranslateTransform>
                        </TransformGroup>
                    </VisualBrush.RelativeTransform>
                </VisualBrush>
            </Rectangle.Fill>
        </Rectangle>
    </StackPanel>

本来想搞个demo下载的，不知道怎么添加进来，悲剧。。。

效果图：