C#操作注冊表學習

    今天偶然看見一篇有修改注冊表的文章，心中便想C＃是否可以修改注冊表，於是自己便從網上找了一些文章學習。
雖然學的很淺，但自己又進步了！

首先了解下C#操作注冊表的類
（1）.Registry类：此类主要封装了七个公有的静态域，而这些静态域分别代表这视窗注册表中的七个基本的主键，具体如下所示：

Registry.ClassesRoot     对应于HKEY_CLASSES_ROOT主键



Registry.CurrentUser     对应于HKEY_CURRENT_USER主键



Registry.LocalMachine    对应于 HKEY_LOCAL_MACHINE主键



Registry.User            对应于 HKEY_USER主键



Registry.CurrentConfig   对应于HEKY_CURRENT_CONFIG主键



Registry.DynDa           对应于HKEY_DYN_DATA主键



Registry.PerformanceData 对应于HKEY_PERFORMANCE_DATA主键      

（2）.RegistryKey类：此类中主要封装了对视窗系统注册表的基本操作。在程序设计中，首先通过Registry类找到注册表中的基本主键，然后通过RegistryKey类，来找其下面的子键和处理具体的操作的。

代碼：

       using Microsoft.Win32;

        ///   <summary>
         /// 得到注冊表中的值
         ///   </summary>
         ///   <returns></returns>
         private   string  GetRegistData( )
        {
             string  registData;
            RegistryKey hkml  =  Registry.LocalMachine;
            RegistryKey RootFolder  =  Registry.LocalMachine;
            RegistryKey system  =  RootFolder.OpenSubKey( " system " , true );
            RegistryKey CurrentControlSet  =  system.OpenSubKey( " CurrentControlSet " , true );
            RegistryKey Services  =  CurrentControlSet.OpenSubKey( " Services " , true );
            RegistryKey Tcpip  =  Services.OpenSubKey( " Tcpip " , true );
            RegistryKey Parameters  =  Tcpip.OpenSubKey( " Parameters " , true );
            RegistryKey NetCardID  =  Parameters.OpenSubKey( " Winsock " , true );    
            registData  =  NetCardID.GetValue( " HelperDllName " ,  " null " ).ToString();
             return  registData;
        }
         ///   <summary>
         ///  創建注冊表值
         ///  本例為創建一個XX的子目錄，其創建一鍵為XXX，值為test
         ///   </summary>
         private   void  CreateRegistData()
        {            
            RegistryKey hkml  =  Registry.LocalMachine;
            RegistryKey RootFolder  =  Registry.LocalMachine;
            RegistryKey system  =  RootFolder.OpenSubKey( " system " ,  true );
            RegistryKey CurrentControlSet  =  system.OpenSubKey( " CurrentControlSet " ,  true );
            RegistryKey Services  =  CurrentControlSet.OpenSubKey( " Services " ,  true );
            RegistryKey Tcpip  =  Services.OpenSubKey( " Tcpip " ,  true );
            RegistryKey Parameters  =  Tcpip.OpenSubKey( " Parameters " ,  true );
            RegistryKey NetCardID  =  Parameters.OpenSubKey( " Winsock " ,  true );
            RegistryKey xxx =  NetCardID.CreateSubKey( " xxx " );
             // 384為十進制，Dword為16進制，系統將自動進行轉換，最終注冊表存入的值為180,180為384的16進制
            xxx.SetValue( " xxx " , 384 ,RegistryValueKind.DWord);    
        }

         ///   <summary>
         ///  刪除指的鍵
         ///   </summary>
         private   void  DeleteValueRegistData()
        {
            RegistryKey hkml  =  Registry.LocalMachine;
            RegistryKey RootFolder  =  Registry.LocalMachine;
            RegistryKey system  =  RootFolder.OpenSubKey( " system " ,  true );
            RegistryKey CurrentControlSet  =  system.OpenSubKey( " CurrentControlSet " ,  true );
            RegistryKey Services  =  CurrentControlSet.OpenSubKey( " Services " ,  true );
            RegistryKey Tcpip  =  Services.OpenSubKey( " Tcpip " ,  true );
            RegistryKey Parameters  =  Tcpip.OpenSubKey( " Parameters " ,  true );
            RegistryKey NetCardID  =  Parameters.OpenSubKey( " Winsock " ,  true );
            RegistryKey xxx  =  NetCardID.OpenSubKey( " xxx " ,  true );
             string [] SubValue;
            SubValue  =  xxx.GetValueNames();
             foreach  ( string  sSubValue  in  SubValue)
            {
                 if  (sSubValue == " xxx " )
                {
                    xxx.DeleteValue(sSubValue);
                }
            }
        }
         ///   <summary>
         ///  刪除子目錄
         ///   </summary>
         private   void  DeleteSubRegistData()
        {
            RegistryKey hkml  =  Registry.LocalMachine;
            RegistryKey RootFolder  =  Registry.LocalMachine;
            RegistryKey system  =  RootFolder.OpenSubKey( " system " ,  true );
            RegistryKey CurrentControlSet  =  system.OpenSubKey( " CurrentControlSet " ,  true );
            RegistryKey Services  =  CurrentControlSet.OpenSubKey( " Services " ,  true );
            RegistryKey Tcpip  =  Services.OpenSubKey( " Tcpip " ,  true );
            RegistryKey Parameters  =  Tcpip.OpenSubKey( " Parameters " ,  true );
            RegistryKey NetCardID  =  Parameters.OpenSubKey( " Winsock " ,  true );
             string [] SubValue;
            SubValue  =  NetCardID.GetSubKeyNames();
             foreach  ( string  sSubValue  in  SubValue)
            {               
                 if  (sSubValue  ==   " xxx " )
                {                    
                    NetCardID.DeleteSubKey (sSubValue);
                }
            }
        }