古墓开棺组图:VB程序写注册表

Attribute VB_Name = "OperRegedit"
Option Explicit
Public Const HKEY_CLASSES_ROOT = &H80000000
Public Const HKEY_CURRENT_USER = &H80000001
Public Const HKEY_LOCAL_MACHINE = &H80000002
Public Const HKEY_USERS = &H80000003
Public Const HKEY_PERFORMANCE_DATA = &H80000004
Public Const HKEY_CURRENT_CONFIG = &H80000005
Public Const HKEY_DYN_DATA = &H80000006

Public Const REG_NONE = 0
Public Const REG_SZ = 1
Public Const REG_EXPAND_SZ = 2
Public Const REG_BINARY = 3
Public Const REG_DWORD = 4
Public Const REG_DWORD_BIG_ENDIAN = 5
Public Const REG_MULTI_SZ = 7

Public Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Public Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Public Declare Function RegQueryValue Lib "advapi32.dll" Alias "RegQueryValueA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal lpValue As String, lpcbValue As Long) As Long
Public 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
Public Declare Function RegEnumValue Lib "advapi32.dll" Alias "RegEnumValueA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, lpcbValueName As Long, lpReserved As Long, lpType As Long, lpData As Byte, lpcbData As Long) As Long
Public Declare Function RegEnumValueAsAny Lib "advapi32.dll" Alias "RegEnumValueA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, lpcbValueName As Long, lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long
Public Declare Function RegEnumValueAsAny2 Lib "advapi32.dll" Alias "RegEnumValueA" (ByVal hKey As Long, ByVal dwIndex As Long, lpValueName As Any, lpcbValueName As Long, lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long
Public Declare Function ExpandEnvironmentStrings Lib "kernel32" Alias "ExpandEnvironmentStringsA" (ByVal lpSrc As String, ByVal lpDst As String, ByVal nSize As Long) As Long

Public Function GetRegeditSetting(ByVal RKey As Long, ByVal SubKey As String, ByVal ValueName As String)

Dim hKey As Long
Dim ret As Long
Dim value As String
Dim Lens As Long

ret = RegOpenKey(RKey, SubKey, hKey)
If ret <> 0 Then
GetRegeditSetting = ""
Exit Function
End If

value = String(256, Chr(0))

ret = RegQueryValueEx(hKey, ValueName, 0, REG_SZ, ByVal value, 256)
If ret <> 0 Then
GetRegeditSetting = ""
Exit Function
End If

GetRegeditSetting = Left(value, InStr(value, Chr(0)) - 1)

End Function

这个是查询
写操作我没做，你看看

学问大咯，你要先调用注册表文件啊！在编写更换数值的程序