Serial.ReadSerialLoopWin C# (CSharp) Method

    public IEnumerator ReadSerialLoopWin()
    {
        while (true) {

            if (!enabled) {
                //print ("behaviour not enabled, stopping coroutine");
                yield break;
            }

            //print("ReadSerialLoopWin ");
            nCoroutineRunning++;
            //print ("nCoroutineRunning: " + nCoroutineRunning);

            string serialIn = "";
            try {
                while (true) {  // BytesToRead crashes on Windows -> use ReadLine or ReadByte in a Thread or Coroutine
                    char c = (char)s_serial.ReadByte();
                    serialIn += c;

                    //serialIn += s_serial.ReadLine();
                }

            } catch (System.TimeoutException) {
                //print ("System.TimeoutException in serial.ReadLine: " + te.ToString ());
            } catch (System.Exception e) {
                print ("System.Exception in serial.ReadLine: " + e.ToString ());
            }

            if (serialIn.Length > 0) {

                //Debug.Log("just read some data: " + serialIn);
                // Dispatch new data to each instance
                foreach (Serial inst in s_instances) {
                    inst.receivedData (serialIn);
                }
            }

            yield return null;
        }
    }