StrokeDashArray: 1 / StrokeDashOffset: 1


   
   

<Window x:Class="Workspace.DockExample"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Workspace" Width="640" Height="480">
    <Ellipse Grid.Row="6" Grid.Column="2" Width="150" Height="150"
             StrokeDashArray="1" StrokeDashOffset="1"
             Stroke="Black" StrokeThickness="3" Fill="Blue">
    </Ellipse>

</Window>