private void SaveSettings()
        {
            Settings settings = new Settings();
            if (!string.IsNullOrWhiteSpace(textBoxURL.Text))
            {
                settings.DownloadServerURL = textBoxURL.Text;
            }
            if (!string.IsNullOrWhiteSpace(textBoxUserName.Text))
            {
                settings.DownloadUsername = textBoxUserName.Text;
            }

            settings.Save();
        }
 private void LoadSettings()
 {
     Settings settings = new Settings();
     textBoxURL.Text = settings.DownloadServerURL;
     textBoxUserName.Text = settings.DownloadUsername;
 }