using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;

namespace data_receivedhandler_gui
{
    public partial class Form1 : Form
    {
        SerialPort port = new SerialPort("com4", 115200);
        public Form1()
        {
            InitializeComponent();
        }

        private void b_open_Click(object sender, EventArgs e)
        {
            port.Open();
        }

        private void serialPort1_DataReceived(object sender,System.IO.Ports.SerialDataReceivedEventArgs e)
        {

            try
            {
                if (InvokeRequired)
                {
                    Invoke(new MethodInvoker(DoSerialInput));
                }
            }
            catch
            {

            }
        }

        private void DoSerialInput()
        {
            
            try
            {
                textBox1.AppendText(port.ReadExisting());
            }
            catch
            {
                return;
            }
        }

        private void b_close_Click(object sender, EventArgs e)
        {
            port.Close();
        }

    }
}