Mega Code Archive
Expanding Circles
<![CDATA[
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
WindowTitle="Expanding Circles">
<Canvas Width="400" Height="400"
HorizontalAlignment="Center" VerticalAlignment="Center" >
<Path Name="pathInner" Stroke="Red" StrokeThickness="12.5">
<Path.Data>
<EllipseGeometry x:Name="elips1" Center="200 200" RadiusX="0" RadiusY="0" />
</Path.Data>
</Path>
<Path Stroke="Red" StrokeThickness="12.5">
<Path.Data>
<GeometryGroup>
<EllipseGeometry x:Name="elips2" Center="200 200" RadiusX="25" RadiusY="25" />
</GeometryGroup>
</Path.Data>
</Path>
<Canvas.Triggers>
<EventTrigger RoutedEvent="Canvas.Loaded">
<BeginStoryboard>
<Storyboard RepeatBehavior="Forever">
<DoubleAnimation Storyboard.TargetName="pathInner"
Storyboard.TargetProperty="StrokeThickness"
From="0" Duration="0:0:5" />
<DoubleAnimation Storyboard.TargetName="elips1"
Storyboard.TargetProperty="RadiusX"
From="0" To="25" IsAdditive="True"
Duration="0:0:5" />
<DoubleAnimation Storyboard.TargetName="elips1"
Storyboard.TargetProperty="RadiusY"
From="0" To="25" IsAdditive="True"
Duration="0:0:5" />
<DoubleAnimation Storyboard.TargetName="elips2"
Storyboard.TargetProperty="RadiusX"
From="0" To="25" IsAdditive="True"
Duration="0:0:5" />
<DoubleAnimation Storyboard.TargetName="elips2"
Storyboard.TargetProperty="RadiusY"
From="0" To="25" IsAdditive="True"
Duration="0:0:5" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Canvas.Triggers>
</Canvas>
</Page>
]]>