UsingBinhHelper.cs

using System;
using System.Windows.Forms;
using BinhHelper;

namespace UsingBinhHelper
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            LogHelper objLogHelper = new LogHelper();
            DateTimeHelper objDateTimeHelper = new DateTimeHelper();

            objLogHelper.myLog("Hello World");

            string now = objDateTimeHelper.myDateTimeString("dd/MM/yyyy hh:mm:ss");
            Console.WriteLine("now : " + now);
        }
    }
}