xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
Storyboard.TargetProperty="(Canvas.Left)"
Duration="0:0:2.5"
AutoReverse="True"
RepeatBehavior="Forever"
PathGeometry="{StaticResource path}"
Source="X" />
Storyboard.TargetProperty="(Canvas.Top)"
Duration="0:0:2.5"
AutoReverse="True"
RepeatBehavior="Forever"
PathGeometry="{StaticResource path}"
Source="Y" />