/********************* search net device ********************/
        private void SendWithoutProtecolStartFindDevice()
        {
            SearchingDeviceManager ch = SearchingDeviceManager.GetInstance();

            ch.SetOnUpdateDeviceListener(OnUpdateFoundedDeviceList);
            ch.SetOnFindDeviceErrorListener(OnFindDeviceHasUnexceptedProblemListener);
            ch.StartFind(Command.SearchNetDevice());
        }