title: Cancel an async webrequest?
body: <p>I am using the Async CTP library for Windows Phone. Does anyone know how to cancel a pending webrequest?</p>
  
  <pre><code>Request = (HttpWebRequest)WebRequest.Create(url);
  Request.Credentials = new NetworkCredential(_settings.Username, _settings.Password);
  WebResponse resp;
  try
  {
      resp = await Request.GetResponseAsync();
  }
  </code></pre>
  
  <p>There is no cancellation token (as specified in the <a href="http://www.microsoft.com/download/en/confirmation.aspx?id=19957" rel="noreferrer">ASYNC Ctp tap document</a>). </p>