void SearchBar_TextChanged(object sender, TextChangedEventArgs e)
{
LibraryView.BeginRefresh();
if (string.IsNullOrWhiteSpace(e.NewTextValue))
{
LibraryView.ItemsSource = App.Library.Songs;
}
else
{
LibraryView.ItemsSource = App.Library.Songs.Where(
s => s.Title.IndexOf(e.NewTextValue, StringComparison.OrdinalIgnoreCase) >= 0 ||
s.Artist.IndexOf(e.NewTextValue, StringComparison.OrdinalIgnoreCase) >= 0 ||
s.Album.IndexOf(e.NewTextValue, StringComparison.OrdinalIgnoreCase) >= 0
);
}
LibraryView.EndRefresh();
}