private async void GetMusic() { Load = true; await Task.Delay(1000); if (_fbSocialNetwork.IsLogged) { Music = await Task.Run(() => _fbSocialNetwork.GetMusic().Select(n => "Name: " + n.Name + ". Rank: " + n.Rank).ToList()); CurrentView = Music; Greeting = "User's music"; } else { var dialog = new MessageDialog("You must login first"); dialog.Title = "Error"; await dialog.ShowAsync(); } Load = false; }