C#注册表常用操作

1：加键   改值       

Microsoft.Win32.RegistryKey   Key   =   Microsoft.Win32.Registry.CurrentUser.CreateSubKey(   @"Software\Microsoft\Internet   Explorer\Main");
  Key.SetValue(   "Window   Title"   ,   value   );
  Key.Close();   

2：获取键值   

 Microsoft.Win32.RegistryKey   Key   =   Microsoft.Win32.Registry.CurrentUser.CreateSubKey(   @"Software\Microsoft\Internet   Explorer\Main");
  return   Key.GetValue(   "Window   Title"   ).ToString();   

3：删键   

 Microsoft.Win32.RegistryKey   Key   =   Microsoft.Win32.Registry.LocalMachine.CreateSubKey(   @"SOFTWARE\Microsoft\Windows\CurrentVersion\Policies");
  Key.DeleteSubKeyTree(   "Ratings"   );
  Key.Close();