please help me to correct the code to play a video from a website using a deskto app

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Microsoft.DirectX.AudioVideoPlayback;
namespace webplayer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                int width = panel1.Width;
                int height = panel1.Height;
              System.Uri u = new Uri("http://cassfordinfo.com/Testmovie.avi");                Video video;
              video = Video.FromUrl(u);

                video.Owner = panel1;
                video.Stop();
                video.Play();

                // resize the video to the size original size of the panel

                panel1.Size = new Size(width, height);
            }catch(Exception gh)
            {
                MessageBox.Show(gh.ToString());
            }
        }

    }
}

System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.DirectX, Version=1.0.2902.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.<br />
File name: 'Microsoft.DirectX, Version=1.0.2902.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'<br />
   at Microsoft.DirectX.AudioVideoPlayback.Video..ctor()<br />
   at Microsoft.DirectX.AudioVideoPlayback.Video.FromUrl(Uri address)<br />
   at webplayer.Form1.Form1_Load(Object sender, EventArgs e) in C:\Documents and Settings\vishnu\My Documents\Visual Studio 2008\Projects\webplayer\webplayer\Form1.cs:line 28<br />
<br />
WRN: Assembly binding logging is turned OFF.<br />
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.<br />
Note: There is some performance penalty associated with assembly bind failure logging.<br />
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].