Shapes Silverlight

    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
  
    
      
              Points="10 170,160 110,10 160,60 110,210 170" />
      
              Points="10 710,160 10,110 160,160 10,210 70, 0 70" />
      
      
    
  


//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Media.Animation;
namespace SilverlightApplication3
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
            for (int i = 0; i < 70; i++)
            {
                double x = i * Math.PI;
                double y = 40 + 30 * Math.Sin(x / 10);
                polyline1.Points.Add(new Point(x, y));
            }
        }
    }
}