public void GetLeaderboard(int max, FacebookAPIManager.LeaderboardCallback OnLeaderboardUpdate)
 {
     if (FB.IsLoggedIn)
     {
         scoreBoardService.GetTopNRankersFromFacebook(gameName, FB.AccessToken, max, new Leaderboard42Callback(OnLeaderboardUpdate));
     }
 }
 public Leaderboard42Callback(FacebookAPIManager.LeaderboardCallback callback)
 {
     this.callback = callback;
 }