Lock

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace Lock
{
    public partial class About : Form
    {
        static Form frm;
        public About(Form fr)
        {
            frm = frm;
            InitializeComponent();
        }

        private void okButton_Click(object sender, EventArgs e)
        {
            this.Hide();
        }
    }
}