void SongListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ListBox senderListBox = sender as ListBox;
if (senderListBox == null)
return;
if (e.AddedItems.Count <= 0)
{
return;
}
_currentIndex = senderListBox.SelectedIndex;
CurrentSong = e.AddedItems[0] as Song;
_PlayMusicAsync();
}
//-------------------------- ▶ EventHandlers
async void OpenButton_Click(object sender, RoutedEventArgs e)
{
FolderPicker folderPicker = new FolderPicker()
{
ViewMode = PickerViewMode.Thumbnail,
SuggestedStartLocation = PickerLocationId.MusicLibrary,
CommitButtonText = "선택",
};
folderPicker.FileTypeFilter.Add(".mp3");
folderPicker.FileTypeFilter.Add(".wmv");
StorageFolder storageFolder = await folderPicker.PickSingleFolderAsync();
if (storageFolder == null)
{
return;
}
IReadOnlyList<StorageFile> allItems = await storageFolder.GetFilesAsync();
if (allItems.Count < 0)
{
return;
}
var onlyMusics = allItems.Where(c => c.ContentType == "audio/mpeg");
if (onlyMusics.Count() <= 0)
{
return;
}
if (Songs == null)
{
Songs = new ObservableCollection<Song>();
}
else
{
Songs.Clear();
}
foreach (var music in onlyMusics)
{
Song song = new Song()
{
StorageFile = music,
MusicProperties = await music.Properties.GetMusicPropertiesAsync()
};
Songs.Add(song);
}
}