xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPF" Height="230" Width="500"> Margin="10" Stroke="Black" StrokeThickness="5" Points="10,10 100,10 100,100 10,100 0,20 80,20 80,180 20,80, 120,40 60,40 160,60 140,60" >