How to pick date/time when serialport starts reading , and also when reading stops ?

[kayzee paracha]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.IO.Ports;
using System.Timers;

namespace ConsoleApplication1
{
    class Program
    {
        public static void Main(string[] args)
        {
            SerialPort SP = new SerialPort();
            SP.PortName = "COM16";
            SP.DataReceived += new SerialDataReceivedEventHandler(SP_DataReceived);
            SP.Open();
            Console.WriteLine("Press any key to continue...");
            Console.WriteLine();
            Console.ReadKey();
            SP.Close();


        }

        
       

        private static void SP_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            SerialPort serialPort = (SerialPort)sender;
            string line = serialPort.ReadExisting();
            
          
            Console.Write(line);
        }

        private void StartReading()
        {
        }


    }
}

[kayzee paracha]

am not asking about time of connection opening or closing .
plz help if you can .
thanks in advance .

[horace1]

GetSystemTime() will get up the current UTC time and date

http://msdn.microsoft.com/en-gb/library/windows/desktop/ms724390%28v=vs.85%29.aspx