private void ImportPlaylist(object sender, RoutedEventArgs e) { if (!MenuShowPlaylists.IsChecked) { return; } try { OpenFileDialog dialog = new OpenFileDialog { DefaultExt = "xml" }; if (dialog.ShowDialog() == true) { _playlistManager.ImportPlaylist(dialog.FileName); } ShowPlaylists(sender, e); } catch (Exception ex) { new AlertMessage(ex.Message, ex.StackTrace).ShowDialog(); } }