private void OnSendFailed(object sender, SimplePingSendFailedEventArgs e)
 {
     statusLabel.Text = e.SequenceNumber + " send failed: " + GetShortError(e.Error);
 }
 private void OnSendFailed(object sender, SimplePingSendFailedEventArgs e)
 {
     Console.WriteLine(e.SequenceNumber + " send failed: " + GetShortError(e.Error));
 }