Page.xaml

<UserControl x:Class="pointanimation.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    Width="450" Height="400">
    <StackPanel>
        <TextBlock Margin="10" TextWrapping="Wrap">This sample demonstrates how to use the PointAnimation to animate the Center property of an EllipseGeometry.</TextBlock>
        <!-- <SnippetPointanimation> -->
    <Canvas Width="450" Height="350">
        <Canvas.Resources>
            <Storyboard x:Name="myStoryboard">

                <!-- Animate the center point of the ellipse from 100 X, 300 Y
                 to 400 X, 100 Y over 5 seconds. -->
                <PointAnimation
                 Storyboard.TargetProperty="Center"
                 Storyboard.TargetName="MyAnimatedEllipseGeometry"
                 Duration="0:0:5" 
                 From="100,300"
                 To="400,100"
                 RepeatBehavior="Forever" EnableDependentAnimation="True"/>

            </Storyboard>
        </Canvas.Resources>
        <Path Fill="Blue" Loaded="Start_Animation">
            <Path.Data>

                <!-- Describes an ellipse. -->
                <EllipseGeometry x:Name="MyAnimatedEllipseGeometry"
                 Center="200,100" RadiusX="15" RadiusY="15" />
            </Path.Data>
        </Path>
    </Canvas>
    <!-- </SnippetPointanimation> -->
    </StackPanel>
</UserControl>