C# 레지스트리 읽기/쓰기

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Win32;

namespace RegistryTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string subkey = "Software\\RegistryTest";
            RegistryKey key = Registry.LocalMachine.OpenSubKey(subkey,true);
            if (key == null)
            {
                key = Registry.LocalMachine.CreateSubKey(subkey);
            }

            // set
            key.SetValue("fps", 59);


            // get
            int fps = (int)key.GetValue("fps");
            key.Close();

        }
    }
}