xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPF" Height="300" Width="450"> Stroke="Black" StrokeThickness="5" Points="10,0 100,10 100,100 0,100 0,20 80,20 180,80 20,80, 20,40 60,40 160,60 40,60">