using System;
using Microsoft.Win32;

namespace registrykeysample
{
    class MainClass
    {
        public static void Main (string[] args)
        {
            var localMachine = Registry.LocalMachine;
            Console.WriteLine (localMachine);
            var test = localMachine.OpenSubKey("ThisIsATest", true);
            Console.WriteLine("Test key: {0}", test);
            if (test != null)
                test.Close();
            localMachine.Close();
        }
    }
}