private async void ListenButton_Click(object sender, RoutedEventArgs e)
        {
            if (listenState == listeningStates.notListening)
            {
                string serverPort = GetServerPort();

                bool result = await Task <bool> .Factory.StartNew(() =>
                {
                    return(commModule.SetupTransport(null, serverPort));
                });

                Diag.DebugPrint("CommModule setup result: " + result);
                if (result == true)
                {
                    ListenButton.Content = "Stop Listening";
                    listenState          = listeningStates.listening;
                }
                else
                {
                    ListenButton.Content = "failed to listen. click to retry";
                    listenState          = listeningStates.notListening;
                }
            }
            else
            {
                await ResetTransportTaskAsync();

                listenState          = listeningStates.notListening;
                ListenButton.Content = "Listen";
            }
        }
        private async void ListenButton_Click(object sender, RoutedEventArgs e)
        {
            if (listenState == listeningStates.notListening)
            {
                string serverPort = GetServerPort();

                bool result = await Task<bool>.Factory.StartNew(() =>
                {
                    return commModule.SetupTransport(null, serverPort);

                });
                Diag.DebugPrint("CommModule setup result: " + result);
                if (result == true)
                {
                    ListenButton.Content = "Stop Listening";
                    listenState = listeningStates.listening;
                }
                else
                {
                    ListenButton.Content = "failed to listen. click to retry";
                    listenState = listeningStates.notListening;
                }
            }
            else
            {
                await ResetTransportTaskAsync();
                listenState = listeningStates.notListening;
                ListenButton.Content = "Listen";
            }
        }