private void GetFriends()
        {
            var fb = new FacebookClient(_accessToken);

            fb.GetCompleted += (o, e) =>
            {
                if (e.Error != null)
                {

                    Dispatcher.BeginInvoke(() => MessageBox.Show(e.Error.Message));
                    return;
                }

                var result = (IDictionary<string, object>)e.GetResultData();
                var data = (IList<object>)result["data"];

                var result0 = ((IList<object>)((IDictionary<string, object>)data[0])["fql_result_set"]);
                var result1 = ((IList<object>)((IDictionary<string, object>)data[1])["fql_result_set"]);

                var friends = (from IDictionary<string, object> info in result0
                               select new Friend()
                               {
                                   Id = double.Parse(info["uid"].ToString()),
                                   Name = info["name"].ToString(),
                                   ImageLink = info["pic_square"].ToString(),
                                   Status = info["online_presence"] != null ? info["online_presence"].ToString() : string.Empty
                               }).ToList();


                var totalFriendCount = (from IDictionary<string, object> info in result1 select double.Parse(info["friend_count"].ToString())).SingleOrDefault();




                Dispatcher.BeginInvoke(() =>
                {

                             listBox1.ItemsSource = friends;
                });
            };



            var query = string.Format("SELECT uid,name,pic_square,online_presence FROM user WHERE uid IN (SELECT uid2 FROM friend WHERE uid1={0}) order by name", "me()");
            var query2 = string.Format("SELECT friend_count FROM user WHERE uid={0}", "me()");
            fb.GetAsync("fql", new
            {
                q = new
                    {
                        query,
                        query2
                    }
            });

        }