//只能删除一个
/// <summary>
/// 删除音乐
/// </summary>
private void DeleteMusic()
{
List <MusicItemViewModel> selectedItem = MusicList.Where(i => i.IsSelected == true).ToList();
var selectedPlayList = PlayLists.Where(i => i.IsSelected == true).First();
if (selectedItem.Count > 0)
{
PlayListService.DeleteMusic(selectedPlayList.PlayList, selectedItem[0].Music);
InitMusicList(selectedPlayList);
}
}
