public void GetPlaylistData(YouTubePlaylist myPlaylist)
        {
            YouTubeVideo[] videos = YouTubeAPI.GetPlaylist(myPlaylist.id);                                 // lists all titles of videos of a playlist (via each video ID)
            string         missingVideoTitle;

            for (int i = 0; i < videos.Length; i++)
            {
                if (videos[i].title == null)
                {
                    missingVideoTitle = ExcelHandling.SearchMissingVideo(i + 1, myPlaylist.title, videos.Length);
                    MissingVideo missingVideo = new MissingVideo((i + 1).ToString() + ": " + missingVideoTitle, myPlaylist.title);
                    myMissingVideos.Add(missingVideo);
                }
            }

            labelCurrentPlaylist.Visible = true;
            labelCurrentPlaylist.Text    = "Currently Processing: " + myPlaylist.title;
            ExcelHandling.SaveCurrentPlaylistToSheet(myPlaylist.title, videos);
            labelCurrentPlaylist.Visible = false;
        }