Kepler-Release/Venus/Venus_Themes/UserControls/Pipe.xaml

<UserControl x:Class="Venus_Themes.UserControls.Pipe"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:Venus_Themes.UserControls"
             mc:Ignorable="d" 
             Name="flowPipeControl" Width="100" Height="8">
    <UserControl.RenderTransform>
        <RotateTransform Angle="0" x:Name="rotateTransform"/>
    </UserControl.RenderTransform>
    <Canvas MinHeight="4" MinWidth="100">
        <Canvas.Resources>
            <Style x:Key="AnimatingFlow" TargetType="{x:Type Line}">
                <Style.Triggers>
                    <DataTrigger Binding="{Binding ElementName=flowPipeControl,Path=IsFlowing}" Value="True">
                        <DataTrigger.EnterActions>
                            <BeginStoryboard Name="FlowStoryboard">
                                <Storyboard RepeatBehavior="Forever" Timeline.DesiredFrameRate="10">
                                    <DoubleAnimation  Storyboard.TargetProperty="StrokeDashOffset" Duration="0:0:10" By="70" />
                                </Storyboard>
                            </BeginStoryboard>
                        </DataTrigger.EnterActions>
                        <DataTrigger.ExitActions>
                            <BeginStoryboard>
                                <Storyboard FillBehavior="Stop">
                                    <DoubleAnimation Storyboard.TargetProperty="StrokeDashOffset" Duration="0"/>
                                </Storyboard>
                            </BeginStoryboard>
                            <StopStoryboard BeginStoryboardName="FlowStoryboard"/>
                        </DataTrigger.ExitActions>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </Canvas.Resources>


        <Border   x:Name="border1"      BorderBrush="Gray"   CornerRadius="3" BorderThickness="0,0,0,0"
                  Width="{Binding ElementName=flowPipeControl,Path=Width}" Height="{Binding ElementName=flowPipeControl,Path=Height}">
            <Border.Background>
                <LinearGradientBrush StartPoint="0.5 0" EndPoint="0.5 1">
                    <GradientStop Color="Silver" Offset="0"/>
                    <GradientStop Color="White" Offset="0.5"/>
                    <GradientStop Color="Silver" Offset="1"/>
                </LinearGradientBrush>
            </Border.Background>
        </Border>
        <Line  Name="path1" X1="0" Y1="0" X2="80" Y2="0"  Stretch="Fill" Opacity="0.4"
              Width="{Binding ElementName=flowPipeControl,Path=Width}" 
              Height="{Binding ElementName=border1,Path=Height}" 
              Stroke="Green" StrokeDashArray="1,3" StrokeDashCap="Round" StrokeThickness="15"
              Style="{StaticResource AnimatingFlow}"/>
    </Canvas>
</UserControl>