c_sharp_lib/reg.cs

using System;
using System.Collections.Generic;
//using System.IO.Ports;
//using System.Runtime.InteropServices;
using Microsoft.Win32;

namespace UTIL
{
    public class Reg
    {
        private RegistryKey rk;
        public Reg(RegistryKey k, string path)
        {
            rk = k.OpenSubKey(path, true);
            if (rk == null)
            {
                rk = k.CreateSubKey(path, true);
            }

        }
        public string ReadKey(string keyname)
        {
            if (rk.GetValue(keyname) != null)
                return rk.GetValue(keyname).ToString();
            else
                return null;
        }
        public void WriteKey(string keyname, string val)
        {
            rk.SetValue(keyname, val);
        }
    }
}