private void DownloadVideos(ActionType action)
        {
            if (CheckboxChecked())
            {
                PopulateUrlDownloadList();
                foreach (var url in UrlDowloadList)
                {
                    var title = playlistVideos.Find(url).Title;

                    progbarwin = new ProgressBarWindow(action, title, downloadPath)
                    {
                        Owner = this
                    };
                    progbarwin.Show();
                    progbarwin.Start(action, title, url, downloadPath);
                    progbarwin.Close();
                }
                var remove = System.Windows.MessageBox.Show("Downloads completed. Some of your videos may not have been downloaded due to copyrights." + "\n\n" + "Do you want to remove all downloaded videos from your YouTube playlist?", "Update Playlist", MessageBoxButton.YesNo, MessageBoxImage.Question);
                if (remove == MessageBoxResult.Yes)
                {
                    RemoveDownloads();
                    RepopulateVideoList();
                }
            }
            else
            {
                System.Windows.MessageBox.Show("Please select a video to download.", "Selection Required", MessageBoxButton.OK, MessageBoxImage.Exclamation);
            }
        }