private void _connectCommandClick()
 {
     serverModel.open();
     serverModel.start();
     ApllicationClientModel.connect();
 }
 private void _disconnectCommandClick()
 {
     serverModel.close();
     ApllicationClientModel.disconnect();
 }
        private void OkClick()
        {
            ApllicationClientModel.write(_dataText); // write to the simulator.

            ClearClick();
        }