一个操作注册表的类

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早上写了一个简单的操作注册表的类。
现在帖出来让大家帮我看看,有什么问题请联系我。

using System;
using Microsoft.Win32;

namespace PowerComponent
{
 /// <summary>
 /// 操作注册表
 /// </summary>
 public class Register
 {

  /// <summary>
  /// 实例构造函数
  /// </summary>
  public Register()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }
  

  #region 公共方法

  /// <summary>
  /// 写入注册表,如果指定项已经存在,则修改指定项的值
  /// </summary>
  /// <param name="keytype">注册表基项枚举</param>
  /// <param name="key">注册表项,不包括基项</param>
  /// <param name="name">值名称</param>
  /// <param name="values">值</param>
  /// <returns>返回布尔值,指定操作是否成功</returns>
  public bool setValue(XjxComponent.Register.keyType keytype, string key, string name, string values)
  {
   try
   {
    RegistryKey rk = (RegistryKey)getRegistryKey(keytype);

    RegistryKey rkt = rk.CreateSubKey(key);
   
    if(rkt != null)
     rkt.SetValue(name, values);
    else
    {
     throw (new Exception("要写入的项不存在"));
    }

    return true;
   }
   catch
   {
    return false;
   }

  }

  
  /// <summary>
  /// 读取注册表
  /// </summary>
  /// <param name="keytype">注册表基项枚举</param>
  /// <param name="key">注册表项,不包括基项</param>
  /// <param name="name">值名称</param>
  /// <returns>返回字符串</returns>
  public string getValue(XjxComponent.Register.keyType keytype, string key, string name)
  {
   try
   {
    RegistryKey rk = (RegistryKey)getRegistryKey(keytype);

    RegistryKey rkt = rk.OpenSubKey(key);

    if(rkt != null)
     return rkt.GetValue(name).ToString();
    else
     throw(new Exception("无法找到指定项"));
   }
   catch(Exception ex)
   {
    return ex.Message;
   }

  }


  /// <summary>
  /// 删除注册表中的值
  /// </summary>
  /// <param name="keytype">注册表基项枚举</param>
  /// <param name="key">注册表项名称,不包括基项</param>
  /// <param name="name">值名称</param>
  /// <returns>返回布尔值,指定操作是否成功</returns>
  public bool deleteValue(XjxComponent.Register.keyType keytype, string key, string name)
  {
   try
   {
    RegistryKey rk = (RegistryKey)getRegistryKey(keytype);
    
    RegistryKey rkt = rk.OpenSubKey(key,true);

    if( rkt != null)
     rkt.DeleteValue(name,true);
    else
     throw(new Exception("无法找到指定项"));

    return true;

   }
   catch
   {
    return false;
   }
  }


  /// <summary>
  /// 删除注册表中的指定项
  /// </summary>
  /// <param name="keytype">注册表基项枚举</param>
  /// <param name="key">注册表中的项,不包括基项</param>
  /// <returns>返回布尔值,指定操作是否成功</returns>
  public bool deleteSubKey(XjxComponent.Register.keyType keytype, string key)
  {
   try
   {
    RegistryKey rk = (RegistryKey)getRegistryKey(keytype);

    rk.DeleteSubKeyTree(key);

    return true;

   }
   catch
   {
    return false;
   }
  }


  /// <summary>
  /// 判断指定项是否存在
  /// </summary>
  /// <param name="keytype">基项枚举</param>
  /// <param name="key">指定项字符串</param>
  /// <returns>返回布尔值,说明指定项是否存在</returns>
  public bool isExist(XjxComponent.Register.keyType keytype, string key)
  {
   RegistryKey rk = (RegistryKey)getRegistryKey(keytype);

   if(rk.OpenSubKey(key) == null)
    return false;
   else
    return true;
  }


  /// <summary>
  /// 检索指定项关联的所有值
  /// </summary>
  /// <param name="keytype">基项枚举</param>
  /// <param name="key">指定项字符串</param>
  /// <returns>返回指定项关联的所有值的字符串数组</returns>
  public string[] getValues(XjxComponent.Register.keyType keytype, string key)
  {
   RegistryKey rk = (RegistryKey)getRegistryKey(keytype);

   RegistryKey rkt = rk.OpenSubKey(key);

   if(rkt != null)
   {
   
    string[] names = rkt.GetValueNames();

    if(names.Length == 0)
     return names;
    else
    {
     string[] values = new string[names.Length];

     int i = 0;

     foreach(string name in names)
     {
      values[i] = rkt.GetValue(name).ToString();

      i++;
     }

     return values;

    }
   }
   else
   {
    throw (new Exception("指定项不存在"));
   }
   
  }

  #endregion

  #region 私有方法

  /// <summary>
  /// 返回RegistryKey对象
  /// </summary>
  /// <param name="keytype">注册表基项枚举</param>
  /// <returns></returns>
  private object getRegistryKey(XjxComponent.Register.keyType keytype)
  {
   RegistryKey rk = null;
   
   switch(keytype)
   {
    case keyType.HKEY_CLASS_ROOT:
     rk = Registry.ClassesRoot;
     break;
    case keyType.HKEY_CURRENT_USER:
     rk = Registry.CurrentUser;
     break;
    case keyType.HKEY_LOCAL_MACHINE:
     rk = Registry.LocalMachine;
     break;
    case keyType.HKEY_USERS:
     rk = Registry.Users;
     break;
    case keyType.HKEY_CURRENT_CONFIG:
     rk = Registry.CurrentConfig;
     break;
   }

   return rk;
  }

  #endregion  

  #region 枚举
  /// <summary>
  /// 注册表基项枚举
  /// </summary>
  public enum keyType:int
  {
   /// <summary>
   /// 注册表基项 HKEY_CLASSES_ROOT
   /// </summary>
   HKEY_CLASS_ROOT = 0,
   /// <summary>
   /// 注册表基项 HKEY_CURRENT_USER
   /// </summary>
   HKEY_CURRENT_USER = 1,
   /// <summary>
   /// 注册表基项 HKEY_LOCAL_MACHINE
   /// </summary>
   HKEY_LOCAL_MACHINE = 2,
   /// <summary>
   /// 注册表基项 HKEY_USERS
   /// </summary>
   HKEY_USERS = 3,
   /// <summary>
   /// 注册表基项 HKEY_CURRENT_CONFIG
   /// </summary>
   HKEY_CURRENT_CONFIG = 4
  }
  #endregion

 }
}

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