C#　我的注册表操作类

 using System;
 using System.Collections.Generic;
 using System.Text;

 using Microsoft.Win32;
 using System.Collections;

 namespace War3Screen
 {
     /// <summary>
     /// 注册表操作类--kongfl888 2013
     ///
     /// </summary>
     class RegOperator
     {

         /// <summary>
         /// 获取某键下的某键值
         /// </summary>
         /// <param name="_registrykey">注册表基项如 Registry.CurrentUser</param>
         /// <param name="mainKeystr">项的注册表键path</param>
         /// <param name="name"></param>
         /// <returns></returns>
         public static string Getkey(RegistryKey _registrykey, string mainKeystr,string name)
         {
             string valueStr = string.Empty;

             try
             {

                 RegistryKey regKey = _registrykey;
                 RegistryKey mainKey = regKey.OpenSubKey(mainKeystr);

                 valueStr = mainKey.GetValue(name).ToString();
             }
             catch { }
             return valueStr;            

         }

         /// <summary>
         /// 设置和修改某键值
         /// </summary>
         /// <param name="_registrykey">注册表基项如 Registry.CurrentUser</param>
         /// <param name="mainKeystr">项的注册表键path</param>
         /// <param name="name">项名</param>
         /// <param name="valueStr">项值</param>
         /// <returns></returns>
         public static bool Setkey(RegistryKey _registrykey, string mainKeystr, string name, string valueStr)
         {
             bool sc = false;
             try
             {
                 RegistryKey regKey = _registrykey;
                 RegistryKey mainKey = regKey.OpenSubKey(mainKeystr, true);
                 mainKey.SetValue(name, valueStr, RegistryValueKind.DWord);

                 sc = true;
             }
             catch { sc = false; }
             return sc;
         }

         /// <summary>
         /// 新建子键
         /// </summary>
         /// <param name="regKey">注册表基项如 Registry.CurrentUser</param>
         /// <param name="SubKeyPath">子键路径</param>
         /// <param name="SubKey">子键名</param>
         /// <param name="keyValue">子键值</param>
         public static bool Createkey(RegistryKey regKey, string SubKeyPath, string SubKey, string valueName, string keyValue, RegistryValueKind valueKind)
         {
             try
             {
                 RegistryKey optionKey = regKey.OpenSubKey(SubKeyPath, true);
                 //添加子键和值
                 RegistryKey subkey = optionKey.CreateSubKey(SubKey);
                 subkey.SetValue(valueName, keyValue, valueKind);
                 return true;
             }
             catch
             {
                 return false;
                 throw;
             }

         }

         /// <summary>
         /// 重载Createkey
         /// </summary>
         /// <param name="regKey"></param>
         /// <param name="SubKeyPath"></param>
         /// <param name="SubKey"></param>
         public static bool Createkey(RegistryKey regKey, string SubKeyPath, string SubKey)
         {
             try
             {
                 RegistryKey optionKey = regKey.OpenSubKey(SubKeyPath, true);
                 optionKey.CreateSubKey(SubKey);
                 return true;
             }
             catch
             {
                 return false;
                 throw;

             }

         }

         /// <summary>
         /// 删除子键
         /// </summary>
         /// <param name="regKey">注册表基项如 Registry.CurrentUser</param>
         /// <param name="SubKeyPath">子键路径</param>
         /// <param name="SubKey">子键名</param>
         public static bool DelKey(RegistryKey regKey, string SubKeyPath, string SubKey)
         {
             try
             {
                 //打开注册表

                 RegistryKey optionKey = regKey.OpenSubKey(SubKeyPath, true);

                 string[] subKeys = optionKey.GetSubKeyNames();

                 foreach (string akey in subKeys)
                 {
                     if (akey == SubKey)
                     {
                         optionKey.DeleteSubKeyTree(SubKey);
                         return true;
                     }
                 }
                 return false;

             }
             catch
             {
                 return false;
                 throw;
             }
         }

     }
 }