public FrmPlayList(MediaElement mediaPlayer, int playlistIndex)
        {
            this.mediaPlayer   = mediaPlayer;
            this.playlistIndex = playlistIndex;

            InitializeComponent();

            playlists = Playlists.DeserializeFromXml();

            CreateDtPlaylist(playlists.ListOfPlaylist[playlistIndex]);

            dtPlayList.RowBackground = Brushes.Transparent;
            dtPlayList.BorderBrush   = Brushes.Transparent;
        }
        private void DeserializeAndCreatePlayLists()
        {
            playLists = Playlists.DeserializeFromXml();

            if (playLists != null)
            {
                foreach (var item in playLists.ListOfPlaylist)
                {
                    if (item.PlayListName != null)
                    {
                        lbPlayLists.Items.Add(item.PlayListName);
                    }
                }
            }
            else
            {
                playLists = new Playlists();
            }
        }