C# | Unity | Autodetection of serial GameControllers

using UnityEngine;
using System;
using System.IO.Ports;
using System.Collections;
using System.Collections.Generic;

class PlayerStream
{
    public int playerID;
    public SerialPort stream;
    public string recievedData = "EMPTY";
}

public class ControllerDetection : MonoBehaviour {

    List<PlayerStream> streams = new List<PlayerStream>();

    // Use this for initialization
    void Start () {
        for (int i = 1; i < 10; i++)
        {
            SerialPort stream = new SerialPort("COM"+i, 115200);
            try
            {
                stream.Open();

                Debug.Log("COM" + i + " is open.");
                PlayerStream ps = new PlayerStream();
                ps.playerID = i;
                ps.stream = stream;
                streams.Add(ps);
            }
            catch
            {
                Debug.Log("COM" + i + " is not open.");
            }
        }

        foreach (PlayerStream ps in streams)
        {
            Debug.Log("Got player "+ps.playerID);
        }
    }

    // Update is called once per frame
    void Update () {

    }
}