WinPhone WebRequests

        public static void WriteBody(this WebRequest webRequest, string data)
        {
            byte[] bytes = Encoding.UTF8.GetBytes(data);

#if WINDOWS_PHONE
            // WinPhone 7 WebRequest only supports Aync methods. Doing this is a bad idea...
            var r = webRequest.BeginGetRequestStream(result =>
            {
                var requestStream = webRequest.EndGetRequestStream(result);
                requestStream.Write(bytes, 0, bytes.Length);
                requestStream.Close();
            },
            null);

            r.AsyncWaitHandle.WaitOne();
#else
            using (Stream requestStream = webRequest.GetRequestStream())
            {
                requestStream.Write(bytes, 0, bytes.Length);
            }
#endif
        }
    }