C#操作注册表实例详解

private string GetRegistData(string name)
{
   string registData;
   RegistryKey hkml = Registry.LocalMachine;
   RegistryKey software = hkml.OpenSubKey("SOFTWARE",true);
   RegistryKey aimdir = software.OpenSubKey("XXX",true);
   registData = aimdir.GetValue(name).ToString();
   return registData;
}
 

private void WTRegedit(string name,string tovalue)
{
   RegistryKey hklm = Registry.LocalMachine;
   RegistryKey software = hklm.OpenSubKey("SOFTWARE",true);
   RegistryKey aimdir = software.CreateSubKey("XXX");
   aimdir.SetValue(name,tovalue);
}
 

private void DeleteRegist(string name)
{
   string[] aimnames;
   RegistryKey hkml = Registry.LocalMachine;
   RegistryKey software = hkml.OpenSubKey("SOFTWARE",true);
   RegistryKey aimdir = software.OpenSubKey("XXX",true);
   aimnames = aimdir.GetSubKeyNames();
   foreach(string aimKey in aimnames)
   {
    if(aimKey == name)
     aimdir.DeleteSubKeyTree(name);
   }
}
 

private bool IsRegeditExit(string name)
{
   bool _exit = false;
   string[] subkeyNames;
   RegistryKey hkml = Registry.LocalMachine;
   RegistryKey software = hkml.OpenSubKey("SOFTWARE",true);
   RegistryKey aimdir = software.OpenSubKey("XXX",true);
   subkeyNames = aimdir.GetSubKeyNames();
   foreach(string keyName in subkeyNames)
   {
    if(keyName == name)
    {
       _exit = true;
       return _exit;
    }
   }
   return _exit;
}
 

using Microsoft.Win32;
using System.Diagnostics;
private void Access_Registry()
{
   // 在HKEY_LOCAL_MACHINE\Software下建立一新键，起名为MCBInc
     RegistryKey key = Registry.LocalMachine.OpenSubKey("Software", true);
   // 增加一个子键 www.jbxue.com
   RegistryKey newkey = key.CreateSubKey("MCBInc");
  
   // 设置此子键的值
   newkey.SetValue("MCBInc", "NET Developer");
        
  // 从注册表的其他地方获取数据
        
  // 找出你的CPU
  RegistryKey pRegKey = Registry.LocalMachine;
  pRegKey = pRegKey.OpenSubKey("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");
  Object val = pRegKey.GetValue("VendorIdentifier");
  Debug.WriteLine("The central processor of this machine is:"+ val);
  // 删除键值
  RegistryKey delKey = Registry.LocalMachine.OpenSubKey("Software", true);
  delKey.DeleteSubKey("MCBInc");
}