1:  using System;

   2:  using System.IO;

   3:  using System.Net;

   4:  using System.Text;

   5:   

   6:  namespace Server.Actions

   7:  {

   8:      public class TwitterUpdate

   9:      {

  10:          public string Body { get; set; }

  11:          public string Login { get; set; }

  12:          public string Password { get; set; }

  13:   

  14:          public override void Execute()

  15:          {

  16:              try

  17:              {

  18:                  //encode user name and password 

  19:                  string creds = Convert.ToBase64String(Encoding.ASCII.GetBytes(string.Format("{0}:{1}", this.Login, this.Password)));

  20:   

  21:                  //encode tweet 

  22:                  byte[] tweet = Encoding.ASCII.GetBytes("status=" + this.Body);

  23:   

  24:                  //setup request 

  25:                  HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://twitter.com/statuses/update.xml");

  26:                  request.Method = "POST";

  27:                  request.ServicePoint.Expect100Continue = false;

  28:                  request.Headers.Add("Authorization", string.Format("Basic {0}", creds));

  29:                  request.ContentType = "application/x-www-form-urlencoded";

  30:                  request.ContentLength = tweet.Length;

  31:   

  32:                  //write to stream 

  33:                  Stream reqStream = request.GetRequestStream();

  34:                  reqStream.Write(tweet, 0, tweet.Length);

  35:                  reqStream.Close();

  36:   

  37:                  //check response 

  38:                  HttpWebResponse response = (HttpWebResponse)request.GetResponse();

  39:   

  40:                  //... 

  41:              }

  42:              catch (Exception e)

  43:              {

  44:                  //... 

  45:              }

  46:          }

  47:      }

  48:  }