Bind animate target value to Canvas(Window) width

       

<Canvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Name="canv">

    <Ellipse Name="elips" Fill="Blue" Width="8" Height="8" /> 

    <Canvas.Triggers>
        <EventTrigger RoutedEvent="Canvas.SizeChanged">
            <BeginStoryboard>
                <Storyboard TargetName="elips">
                    <DoubleAnimation Storyboard.TargetProperty="(Canvas.Left)"
                        BeginTime="-0:0:1"
                        Duration="0:0:2"
                        RepeatBehavior="Forever" AutoReverse="True"
                        From="0" To="{Binding ElementName=canv, Path=ActualWidth}" />

                    <DoubleAnimation Storyboard.TargetProperty="(Canvas.Top)"
                        Duration="0:0:2"
                        RepeatBehavior="Forever" AutoReverse="True"
                        From="0" To="{Binding ElementName=canv, Path=ActualHeight}" />
                </Storyboard>
            </BeginStoryboard>
        </EventTrigger>
    </Canvas.Triggers>
</Canvas>

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Bind animate target value to Canvas(Window) width : Binding « Windows Presentation Foundation « VB.Net

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