// Browser closing.  No un-managed memory so let the runtime environment clean most of it up
        private void HitachiBrowser_FormClosing(object sender, FormClosingEventArgs e)
        {
            // Put the data back so it can be saved
            IPAddress = txtIPAddress.Text;
            IPPort    = Convert.ToInt32(txtPort.Text);
            //TrafficFolder = TrafficFolder; // No way to change it.
            //MessageFolder = MessageFolder; // Stored back here if changed.

            // Stop logging
            EIP.Log          -= EIP_Log;
            EIP.IOComplete   -= EIP_IO_Complete;
            EIP.StateChanged -= EIP_StateChanged;
            EIP.CleanUpTraffic();
        }