注册表访问辅助类RegistryHelper

注册表访问辅助类RegistryHelper  

**//// <summary>    /// 注册表访问辅助类    /// </summary>    public sealed class RegistryHelper    {        private string softwareKey = string.Empty;        private RegistryKey rootRegistry = Registry.CurrentUser;        /**//// <summary>        /// 使用注册表键构造，默认从Registry.CurrentUser开始。        /// </summary>        /// <param name="softwareKey">注册表键，格式如"SOFTWARE\\Huaweisoft\\EDNMS"的字符串</param>        public RegistryHelper(string softwareKey) : this(softwareKey, Registry.CurrentUser)        {        }        /**//// <summary>        /// 指定注册表键及开始的根节点查询        /// </summary>        /// <param name="softwareKey">注册表键</param>        /// <param name="rootRegistry">开始的根节点（Registry.CurrentUser或者Registry.LocalMachine等）</param>        public RegistryHelper(string softwareKey, RegistryKey rootRegistry)        {            this.softwareKey = softwareKey;            this.rootRegistry = rootRegistry;        }        /**//// <summary>        /// 根据注册表的键获取键值。        /// 如果注册表的键不存在，返回空字符串。        /// </summary>        /// <param name="key">注册表的键</param>        /// <returns>键值</returns>        public string GetValue(string key)        {            const string parameter = "key";            if (null == key)            {                throw new ArgumentNullException(parameter);            }            string result = string.Empty;            try            {                RegistryKey registryKey = rootRegistry.OpenSubKey(softwareKey);                result = registryKey.GetValue(key).ToString();            }            catch            {                ;            }            return result;        }        /**//// <summary>        /// 保存注册表的键值        /// </summary>        /// <param name="key">注册表的键</param>        /// <param name="value">键值</param>        /// <returns>成功返回true，否则返回false.</returns>        public bool SaveValue(string key, string value)        {            const string parameter1 = "key";            const string parameter2 = "value";            if (null == key)            {                throw new ArgumentNullException(parameter1);            }            if (null == value)            {                throw new ArgumentNullException(parameter2);            }            RegistryKey registryKey = rootRegistry.OpenSubKey(softwareKey, true);            if (null == registryKey)            {                registryKey = rootRegistry.CreateSubKey(softwareKey);            }            registryKey.SetValue(key, value);            return true;        }    }注册表访问辅助类RegistryHelper测试代码：    public class TestRegistryHelper    {        public static string Execute()        {            string result = string.Empty;            result += "使用RegistryHelper注册表访问辅助类：" + "\r\n";            RegistryHelper registry = new RegistryHelper("SoftWare\\HuaweiSoft\\EDNMS");            bool sucess = registry.SaveValue("Test", DateTime.Now.ToString("hh:mm:ss"));            if (sucess)            {                result += registry.GetValue("Test");            }            return result;        }    }