有些老掉牙了，这是很久以前写的了，觉得功能已经比较完善了。

下载地址:
http://www.wowor.net/bbs/up/files/2004403_mregistry.zip

这是我用这个模块写过的一个软件:

注册表大师 2.0

http://www.onlinedown.net/soft/16780.htm

标准模块代码:
''''**************************************************************************************************************
''''* 本模块提供了一些对注册表进行操作的函数
''''* 警告: 操作注册表是非常危险的, 使用本模块中的任何函数都要慎重!!!
''''*
''''* 版权: LPP软件工作室
''''* 作者: 卢培培
''''**************************************************************************************************************

Option Explicit

Option Compare Text

''''---------------------------------------------------------------
''''- 注册表 API 声明...
''''---------------------------------------------------------------
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegCreateKeyEx Lib "advapi32.dll" Alias "RegCreateKeyExA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal Reserved As Long, ByVal lpClass As String, ByVal dwOptions As Long, ByVal samDesired As Long, lpSecurityAttributes As SECURITY_ATTRIBUTES, phkResult As Long, lpdwDisposition As Long) As Long
Private Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" (ByVal hKey As Long, ByVal lpSubKey As String) As Long
Private Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal hKey As Long, ByVal lpValueName As String) As Long
Private Declare Function RegOpenKeyEx Lib "advapi32.dll" Alias "RegOpenKeyExA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal ulOptions As Long, ByVal samDesired As Long, phkResult As Long) As Long
Private Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long
Private Declare Function RegRestoreKey Lib "advapi32.dll" Alias "RegRestoreKeyA" (ByVal hKey As Long, ByVal lpFile As String, ByVal dwFlags As Long) As Long
Private Declare Function RegSaveKey Lib "advapi32.dll" Alias "RegSaveKeyA" (ByVal hKey As Long, ByVal lpFile As String, lpSecurityAttributes As SECURITY_ATTRIBUTES) As Long
Private Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long
Private Declare Function RegQueryInfoKey Lib "advapi32.dll" Alias "RegQueryInfoKeyA" (ByVal hKey As Long, ByVal lpClass As String, lpcbClass As Long, ByVal lpReserved As Long, lpcSubKeys As Long, lpcbMaxSubKeyLen As Long, lpcbMaxClassLen As Long, lpcValues As Long, lpcbMaxValueNameLen As Long, lpcbMaxValueLen As Long, lpcbSecurityDescriptor As Long, lpftLastWriteTime As FILETIME) As Long
Private Declare Function RegEnumValue Lib "advapi32.dll" Alias "RegEnumValueA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, lpcbValueName As Long, ByVal lpReserved As Long, lpType As Long, lpData As Byte, lpcbData As Long) As Long
Private Declare Function RegEnumKeyEx Lib "advapi32.dll" Alias "RegEnumKeyExA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpName As String, lpcbName As Long, ByVal lpReserved As Long, ByVal lpClass As String, lpcbClass As Long, lpftLastWriteTime As FILETIME) As Long

Private Declare Function AdjustTokenPrivileges Lib "advapi32.dll" (ByVal TokenHandle As Long, ByVal DisableAllPriv As Long, NewState As TOKEN_PRIVILEGES, ByVal BufferLength As Long, PreviousState As TOKEN_PRIVILEGES, ReturnLength As Long) As Long                ''''Used to adjust your program''''s security privileges, can''''t restore without it!
Private Declare Function LookupPrivilegeValue Lib "advapi32.dll" Alias "LookupPrivilegeValueA" (ByVal lpSystemName As Any, ByVal lpName As String, lpLuid As LUID) As Long          ''''Returns a valid LUID which is important when making security changes in NT.
Private Declare Function OpenProcessToken Lib "advapi32.dll" (ByVal ProcessHandle As Long, ByVal DesiredAccess As Long, TokenHandle As Long) As Long
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long

''''---------------------------------------------------------------
''''- 注册表 Api 常数...
''''---------------------------------------------------------------
'''' 注册表创建类型值...
Const REG_OPTION_NON_VOLATILE = 0        '''' 当系统重新启动时，关键字被保留

'''' 注册表关键字安全选项...
Const READ_CONTROL = &H20000
Const KEY_QUERY_VALUE = &H1
Const KEY_SET_VALUE = &H2
Const KEY_CREATE_SUB_KEY = &H4
Const KEY_ENUMERATE_SUB_KEYS = &H8
Const KEY_NOTIFY = &H10
Const KEY_CREATE_LINK = &H20
Const KEY_READ = KEY_QUERY_VALUE + KEY_ENUMERATE_SUB_KEYS + KEY_NOTIFY + READ_CONTROL
Const KEY_WRITE = KEY_SET_VALUE + KEY_CREATE_SUB_KEY + READ_CONTROL
Const KEY_EXECUTE = KEY_READ
Const KEY_ALL_ACCESS = KEY_QUERY_VALUE + KEY_SET_VALUE + KEY_CREATE_SUB_KEY + KEY_ENUMERATE_SUB_KEYS + KEY_NOTIFY + KEY_CREATE_LINK + READ_CONTROL
                    
'''' 返回值...
Const ERROR_NONE = 0
Const ERROR_BADKEY = 2
Const ERROR_ACCESS_DENIED = 8
Const ERROR_SUCCESS = 0

'''' 有关导入/导出的常量
Const REG_FORCE_RESTORE As Long = 8&
Const TOKEN_QUERY As Long = &H8&
Const TOKEN_ADJUST_PRIVILEGES As Long = &H20&
Const SE_PRIVILEGE_ENABLED As Long = &H2
Const SE_RESTORE_NAME = "SeRestorePrivilege"
Const SE_BACKUP_NAME = "SeBackupPrivilege"

''''---------------------------------------------------------------
''''- 注册表类型...
''''---------------------------------------------------------------
Private Type SECURITY_ATTRIBUTES
    nLength As Long
    lpSecurityDescriptor As Long
    bInheritHandle As Boolean
End Type

Private Type FILETIME
    dwLowDateTime As Long
    dwHighDateTime As Long
End Type

Private Type LUID
    lowpart As Long
    highpart As Long
End Type

Private Type LUID_AND_ATTRIBUTES
    pLuid As LUID
    Attributes As Long
End Type

Private Type TOKEN_PRIVILEGES
    PrivilegeCount As Long
    Privileges As LUID_AND_ATTRIBUTES
End Type

''''---------------------------------------------------------------
''''- 自定义枚举类型...
''''---------------------------------------------------------------
'''' 注册表数据类型...
Public Enum ValueType
    REG_SZ = 1                         '''' 字符串值
    REG_EXPAND_SZ = 2                  '''' 可扩充字符串值
    REG_BINARY = 3                     '''' 二进制值
    REG_DWORD = 4                      '''' DWORD值
    REG_MULTI_SZ = 7                   '''' 多字符串值
End Enum

'''' 注册表关键字根类型...
Public Enum KeyRoot
    HKEY_CLASSES_ROOT = &H80000000
    HKEY_CURRENT_USER = &H80000001
    HKEY_LOCAL_MACHINE = &H80000002
    HKEY_USERS = &H80000003
    HKEY_PERFORMANCE_DATA = &H80000004
    HKEY_CURRENT_CONFIG = &H80000005
    HKEY_DYN_DATA = &H80000006
End Enum

Private hKey As Long                   '''' 注册表打开项的句柄
Private i As Long, j As Long           '''' 循环变量
Private Success As Long                '''' API函数的返回值, 判断函数调用是否成功

''''-----------------------------------

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