private void downloader_DownloadError(object sender, DownloadErrorEventArgs e)
{
MessageBox.Show(string.Format("{0}{1}{2}", e.Message, Environment.NewLine, e.Exception));
}
/// <summary>
/// Fires DownloadError event
/// </summary>
/// <param name="e"></param>
protected virtual void OnDownloadError(DownloadErrorEventArgs e)
{
if (DownloadError != null)
DownloadError(this, e);
}