wpf 动画效果

最近项目大量要用到动画，研究研究wpf动画效果，没事做做demo
<Page.Background>
        <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
            <LinearGradientBrush.GradientStops>
                <GradientStop Offset="0.0" Color="Black" />
                <GradientStop Offset="1.0" Color="#666666" />
            </LinearGradientBrush.GradientStops>
        </LinearGradientBrush>

       <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>

    </Page.Background>

    <StackPanel Margin="40">
        <Border Name="TextBorder" HorizontalAlignment="Left"
      VerticalAlignment="Top" Background="{StaticResource MyWireBrushResource}">
            <TextBlock 
        Name="RealText"  
        FontFamily="Segoe UI"
        FontSize="60 px"    
        Margin="50"
        Foreground="White">
        Windows 7
        <TextBlock.TextEffects>
        
          <!-- The TextEffect to animate. -->
          <TextEffect PositionCount="1" x:Name="MyTextEffect">
            <TextEffect.Transform>
              <RotateTransform x:Name="TextEffectRotateTransform" 
                Angle="0" CenterX="10" CenterY="10" />
            </TextEffect.Transform>
          </TextEffect>
        </TextBlock.TextEffects>
        <TextBlock.Triggers>
          <EventTrigger RoutedEvent="TextBlock.Loaded">
            <BeginStoryboard>
              <Storyboard>
                <ParallelTimeline RepeatBehavior="Forever">
                
                  <!-- Animates the angle of the RotateTransform
                       applied to the TextEffect. -->
                  <DoubleAnimation
                    Storyboard.TargetName="TextEffectRotateTransform"
                    Storyboard.TargetProperty="Angle" 
                    From="0"
                    To="360"
                    Duration="00:00:0.75"                
                    BeginTime="0:0:0.25" />
                </ParallelTimeline>
                
                <!-- Animates the horizontal center of the RotateTransform
                     applied to the TextEffect. -->
                <DoubleAnimation
                  From="30"
                  To="370"
                  Duration="00:00:13"
                  RepeatBehavior="Forever"
                  AutoReverse="True"
                  Storyboard.TargetName="TextEffectRotateTransform"
                  Storyboard.TargetProperty="CenterX" />
               
                
                <!-- Animates the position of the TextEffect. -->
                <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 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>

        <!-- Uses a VisualBrush to create a reflection of the animated text. -->
        <Rectangle Name="ReflectedText" 
      Height="{Binding ElementName=TextBorder, Path=ActualHeight}"
      Width="{Binding ElementName=TextBorder, Path=ActualWidth}"
      HorizontalAlignment="Left">
            <Rectangle.OpacityMask>
                <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
                    <LinearGradientBrush.GradientStops>
                        <GradientStop Offset="0.0" Color="#66000000" />
                        <GradientStop Offset="1.0" Color="#00000000" />
                    </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>
            </Rectangle.OpacityMask>
            <Rectangle.Fill>
                <VisualBrush 
          Visual="{Binding ElementName=TextBorder}">
                    <VisualBrush.RelativeTransform>
                        <TransformGroup>
                            <ScaleTransform ScaleX="1" ScaleY="-1" />
                            <TranslateTransform Y="1" />
                        </TransformGroup>
                    </VisualBrush.RelativeTransform>
                </VisualBrush>
            </Rectangle.Fill>
        </Rectangle>

    </StackPanel>
效果如下：