WP7-HttpWebRequest逾時管理

    this._timedOut = false;

    this._waitHandle.Reset();

    HttpWebRequest request = HttpWebRequest.CreateHttp("http://cloudstore.blogspot.com");

    request.BeginGetResponse(this.GetResponse_Complete, request);

    bool signalled = this._waitHandle.WaitOne(5);

    if (false == signalled)

    {

        // Handle the timed out scenario.

        this._timedOut = true;

    }

    private void GetResponse_Complete(IAsyncResult result)

    {

        // Process the response if we didn't time out.

        if (false == this._timedOut)

        {

            HttpWebRequest request = (HttpWebRequest)result.AsyncState;

            WebResponse response = request.EndGetResponse(result);

            // Handle response. 

         }

     }