对注册表读写类的再封装

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using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.Win32;

namespace Wjb.ReadOrWriteIniAndReg
{
/// <summary>
/// RWReg 的摘要说明。
/// 注册表操作类
/// 类库开发：吴剑冰
/// 时间：2003年11月07日
/// 功能：注册表操作
/// </summary>
public class RWReg
{
private static RegistryKey rootkey;
/// <summary>
/// 构造根键为RootKey的注册表操作类，缺省打开Current_User主键
/// </summary>
public RWReg(string RootKey)
{
switch (RootKey.ToUpper())
{
case "CLASSES_ROOT":
rootkey=Registry.ClassesRoot;
break;
case "CURRENT_USER":
rootkey=Registry.CurrentUser;
break;
case "LOCAL_MACHINE":
rootkey=Registry.LocalMachine;
break;
case "USERS":
rootkey=Registry.Users;
break;
case "CURRENT_CONFIG":
rootkey=Registry.CurrentConfig;
break;
case "DYN_DATA":
rootkey=Registry.DynData;
break;
case "PERFORMANCE_DATA":
rootkey=Registry.PerformanceData;
break;
default:
rootkey=Registry.CurrentUser;
break;
}
}
/// <summary>
/// 读取路径为keypath，键名为keyname的注册表键值，缺省返回def
/// </summary>
/// <param name="keypath"></param>
/// <param name="keyname"></param>
/// <param name="def"></param>
/// <returns></returns>
public string GetRegVal(string keypath,string keyname,string def)
{
try
{
RegistryKey key=rootkey.OpenSubKey(keypath);
return key.GetValue(keyname,(object)def).ToString();
}
catch
{
return def;
}
}
/// <summary>
/// 设置路径为keypath，键名为keyname的注册表键值为keyval
/// </summary>
/// <param name="keypath"></param>
/// <param name="keyname"></param>
/// <param name="keyval"></param>
public bool SetRegVal(string keypath,string keyname,string keyval)
{
try
{
RegistryKey key=rootkey.OpenSubKey(keypath,true);
key.SetValue(keyname,(object)keyval);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 创建路径为keypath的键
/// </summary>
/// <param name="keypath"></param>
/// <returns></returns>
public RegistryKey CreateRegKey(string keypath)
{
try
{
return rootkey.CreateSubKey(keypath);
}
catch
{
return null;
}
}
/// <summary>
/// 删除路径为keypath的子项
/// </summary>
/// <param name="keypath"></param>
/// <returns></returns>
public bool DelRegSubKey(string keypath)
{
try
{
rootkey.DeleteSubKey(keypath);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除路径为keypath的子项及其附属子项
/// </summary>
/// <param name="keypath"></param>
/// <returns></returns>
public bool DelRegSubKeyTree(string keypath)
{
try
{
rootkey.DeleteSubKeyTree(keypath);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除路径为keypath下键名为keyname的键值
/// </summary>
/// <param name="keypath"></param>
/// <param name="keyname"></param>
/// <returns></returns>
public bool DelRegKeyVal(string keypath,string keyname)
{
try
{
RegistryKey key=rootkey.OpenSubKey(keypath,true);
key.DeleteValue(keyname);
return true;
}
catch
{
return false;
}
}
}
}

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