public async void GotoJoinDetailSession(Session session) { try { var updatedSession = await _pokerService.JoinSession(session.Name, _loggedUser.Name); NavigationService.Navigate(typeof(DetailSession), new Dictionary <string, object>() { { "session", updatedSession }, { "user", _loggedUser } }); } catch (FHException e) { await new MessageDialog(e.Message).ShowAsync(); } }