使用C#应用程序在WinCE中保存注册表值

using System;
using Microsoft.WindowsCE.Forms;
using Microsoft.WindowsCE.Registry;

namespace WinCE_Registry_Example
{
    public class RegistryHelper
    {
        private const string REGISTRY_KEY = "MyAppSettings";
        private const string REGISTRY_VALUE_NAME = "MySetting";

        public static void SaveRegistryValue(string value)
        {
            using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REGISTRY_KEY, true))
            {
                if (key == null)
                {
                    key = Registry.LocalMachine.CreateSubKey(REGISTRY_KEY);
                }

                key.SetValue(REGISTRY_VALUE_NAME, value);
            }
        }

        public static string GetRegistryValue()
        {
            using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REGISTRY_KEY))
            {
                if (key == null)
                {
                    return null;
                }

                return key.GetValue(REGISTRY_VALUE_NAME) as string;
            }
        }
    }
}