private async void AppRequestsButton_Click(Object sender, Windows.UI.Xaml.RoutedEventArgs e) { FBSession s = FBSession.ActiveSession; if (!s.LoggedIn) { Debug.WriteLine("The user is no longer logged in."); } else { PropertySet parameters = new PropertySet(); parameters.Add("title", "I love Brussels Sprouts!"); parameters.Add("message", "Om Nom Nom!"); FBResult result = await s.ShowRequestsDialogAsync(parameters); Debug.WriteLine("Showed 'Requests' dialog."); } }