c# and serial port

Good Evening,
i use unity for programmin with c# a applicaton with the serial port.

The problem is that the call handler read the serial does not work. I place the code.
The serial not read never and often unity crash.
Exist a solution???

Thank you


using UnityEngine;
using System.IO.Ports;
using System.Threading;
using System.Collections.Generic;
using System.Timers;
using System.ComponentModel;
using System.Text;
using System;




public class NewBehaviourScript : MonoBehaviour
{



string SerialRx;

//Creo la Porta Seriale
static SerialPort mySerialPort;

//Timer
System.Timers.Timer t = new System.Timers.Timer();


void Start ()
{


//Imposto i valori della seriale e la "apro"
mySerialPort = new SerialPort("COM4");
mySerialPort.BaudRate = 9600;
mySerialPort.Parity = Parity.None;
mySerialPort.StopBits = StopBits.One;
mySerialPort.DataBits = 8;
mySerialPort.Handshake = Handshake.None;
mySerialPort.DtrEnable = true;
mySerialPort.RtsEnable = true;
mySerialPort.ReadBufferSize = 8000;
mySerialPort.WriteBufferSize = 8000;
mySerialPort.ReadTimeout = 100;
mySerialPort.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(DataReceivedHandler);


mySerialPort.Open();



}


static void DataReceivedHandler(object sender, System.IO.Ports.SerialDataReceivedEventArgs e) <------ not work

{
SerialPort sp = (SerialPort)sender;
string indata = sp.ReadExisting();
print("Data Received:");
print(indata);
}



void Update ()
{
}


void FixedUpdate()
{

}

}

 

Have you solved?

 

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