private void PageLoadedUtil_MusicListPageLoadedEvent(object sender, EventArgs e) { if (IsVisible) { if (App.User != null) { var musicInfoOfPageModel = new MusicSearchPageResult() { PageCount = 1, PageNumber = 1, ResultType = MusicRequestType.Song, Results = _musicService.GetLoveMusicsByUserId(App.User.Id).Reverse() }; SongCount.Text = (musicInfoOfPageModel?.Results.Count() ?? 0).ToString(); MusicSearchInfoChangedUtil.InvokeFromJMSearchChanged(musicInfoOfPageModel, 1); } else { new LoginWindow().ShowDialog(); } } }