vblibreg.bas

操作注册表例子

Attribute VB_Name = "mdlRegistry"
Option Explicit

Type ACL
        AclRevision As Byte
        Sbz1 As Byte
        AclSize As Integer
        AceCount As Integer
        Sbz2 As Integer
End Type

Type SECURITY_DESCRIPTOR
        Revision As Byte
        Sbz1 As Byte
        Control As Long
        Owner As Long
        Group As Long
        Sacl As ACL
        Dacl As ACL
End Type

Type SECURITY_ATTRIBUTES
        nLength As Long
        lpSecurityDescriptor As Long
        bInheritHandle As Long
End Type

Type FILETIME
        dwLowDateTime As Long
        dwHighDateTime As Long
End Type

Public Const HKEY_CLASSES_ROOT = &H80000000
Public Const HKEY_CURRENT_CONFIG = &H80000005
Public Const HKEY_CURRENT_USER = &H80000001
Public Const HKEY_DYN_DATA = &H80000006
Public Const HKEY_LOCAL_MACHINE = &H80000002
Public Const HKEY_PERFORMANCE_DATA = &H80000004
Public Const HKEY_USERS = &H80000003

Public Const ERROR_SUCCESS = 0&
Global Const ERROR_NONE = 0
Global Const ERROR_BADDB = 1
Global Const ERROR_BADKEY = 2
Global Const ERROR_CANTOPEN = 3
Global Const ERROR_CANTREAD = 4
Global Const ERROR_CANTWRITE = 5
Global Const ERROR_OUTOFMEMORY = 6
Global Const ERROR_INVALID_PARAMETER = 7
Global Const ERROR_ACCESS_DENIED = 8
Global Const ERROR_INVALID_PARAMETERS = 87
Global Const ERROR_NO_MORE_ITEMS = 259

Public Const REG_BINARY = 3
Public Const REG_CREATED_NEW_KEY = &H1
Public Const REG_DWORD = 4
Public Const REG_DWORD_BIG_ENDIAN = 5
Public Const REG_DWORD_LITTLE_ENDIAN = 4
Public Const REG_EXPAND_SZ = 2
Public Const REG_FULL_RESOURCE_DESCRIPTOR = 9
Public Const REG_LINK = 6
Public Const REG_MULTI_SZ = 7
Public Const REG_NONE = 0
Public Const REG_NOTIFY_CHANGE_ATTRIBUTES = &H2
Public Const REG_NOTIFY_CHANGE_LAST_SET = &H4
Public Const REG_NOTIFY_CHANGE_NAME = &H1
Public Const REG_NOTIFY_CHANGE_SECURITY = &H8
Public Const REG_OPENED_EXISTING_KEY = &H2
Public Const REG_OPTION_BACKUP_RESTORE = 4
Public Const REG_OPTION_CREATE_LINK = 2
Public Const REG_OPTION_NON_VOLATILE = 0
Public Const REG_OPTION_RESERVED = 0
Public Const REG_OPTION_VOLATILE = 1
Public Const REG_REFRESH_HIVE = &H2
Public Const REG_RESOURCE_LIST = 8
Public Const REG_RESOURCE_REQUIREMENTS_LIST = 10
Public Const REG_SZ = 1
Public Const REG_WHOLE_HIVE_VOLATILE = &H1
Public Const REG_LEGAL_CHANGE_FILTER = (REG_NOTIFY_CHANGE_NAME Or REG_NOTIFY_CHANGE_ATTRIBUTES Or REG_NOTIFY_CHANGE_LAST_SET Or REG_NOTIFY_CHANGE_SECURITY)
Public Const REG_LEGAL_OPTION = (REG_OPTION_RESERVED Or REG_OPTION_NON_VOLATILE Or REG_OPTION_VOLATILE Or REG_OPTION_CREATE_LINK Or REG_OPTION_BACKUP_RESTORE)

Public Const READ_CONTROL = &H20000
Public Const STANDARD_RIGHTS_ALL = &H1F0000
Public Const STANDARD_RIGHTS_READ = (READ_CONTROL)
Public Const SYNCHRONIZE = &H100000
Public Const STANDARD_RIGHTS_WRITE = (READ_CONTROL)

Public Const KEY_CREATE_LINK = &H20
Public Const KEY_CREATE_SUB_KEY = &H4
Public Const KEY_ENUMERATE_SUB_KEYS = &H8
Public Const KEY_EVENT = &H1

Public Const KEY_NOTIFY = &H10
Public Const KEY_QUERY_VALUE = &H1
Public Const KEY_READ = ((STANDARD_RIGHTS_READ Or KEY_QUERY_VALUE Or KEY_ENUMERATE_SUB_KEYS Or KEY_NOTIFY) And (Not SYNCHRONIZE))
Public Const KEY_SET_VALUE = &H2
Public Const KEY_WRITE = ((STANDARD_RIGHTS_WRITE Or KEY_SET_VALUE Or KEY_CREATE_SUB_KEY) And (Not SYNCHRONIZE))

Public Const KEY_EXECUTE = (KEY_READ)
Public Const KEY_ALL_ACCESS = ((STANDARD_RIGHTS_ALL Or KEY_QUERY_VALUE Or KEY_SET_VALUE Or KEY_CREATE_SUB_KEY Or KEY_ENUMERATE_SUB_KEYS Or KEY_NOTIFY Or KEY_CREATE_LINK) And (Not SYNCHRONIZE))



Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
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, ByVal lpSecurityAttributes As Any, phkResult As Long, lpdwDisposition As Long) As Long
Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" (ByVal hKey As Long, ByVal lpSubKey As String) As Long
Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal hKey As Long, ByVal lpValueName As String) As Long
Declare Function RegEnumKey Lib "advapi32.dll" Alias "RegEnumKeyA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpName As String, ByVal cbName As Long) As Long
Declare Function RegEnumKeyEx Lib "advapi32.dll" Alias "RegEnumKeyExA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpName As String, lpcbName As Long, lpReserved As Long, ByVal lpClass As String, lpcbClass As Long, lpftLastWriteTime As FILETIME) As Long
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
Declare Function RegFlushKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Declare Function RegGetKeySecurity Lib "advapi32.dll" (ByVal hKey As Long, ByVal SecurityInformation As Long, pSecurityDescriptor As SECURITY_DESCRIPTOR, lpcbSecurityDescriptor As Long) As Long
Declare Function RegLoadKey Lib "advapi32.dll" Alias "RegLoadKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal lpFile As String) As Long
Declare Function RegNotifyChangeKeyValue Lib "advapi32.dll" (ByVal hKey As Long, ByVal bWatchSubtree As Long, ByVal dwNotifyFilter As Long, ByVal hEvent As Long, ByVal fAsynchronus As Long) As Long
Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
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
Declare Function RegQueryInfoKey Lib "advapi32.dll" Alias "RegQueryInfoKeyA" (ByVal hKey As Long, ByVal lpClass As String, lpcbClass As Long, 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
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
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
Declare Function RegRestoreKey Lib "advapi32.dll" Alias "RegRestoreKeyA" (ByVal hKey As Long, ByVal lpFile As String, ByVal dwFlags As Long) As Long
Declare Function RegSaveKey Lib "advapi32.dll" Alias "RegSaveKeyA" (ByVal hKey As Long, ByVal lpFile As String, lpSecurityAttributes As SECURITY_ATTRIBUTES) As Long
Declare Function RegSetValue Lib "advapi32.dll" Alias "RegSetValueA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal dwType As Long, ByVal lpData As String, ByVal cbData As Long) As Long
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
Declare Function RegUnLoadKey Lib "advapi32.dll" Alias "RegUnLoadKeyA" (ByVal hKey As Long, ByVal lpSubKey As String) As Long

Declare Function RegQueryValueExString Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, ByVal lpData As String, lpcbData As Long) As Long
Declare Function RegQueryValueExLong Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, lpData As Long, lpcbData As Long) As Long
Declare Function RegQueryValueExNULL Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, ByVal lpData As Long, lpcbData As Long) As Long
Declare Function RegSetValueExString Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, ByVal lpValue As String, ByVal cbData As Long) As Long
Declare Function RegSetValueExLong Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, lpValue As Long, ByVal cbData As Long) As Long

Public Function EnumKey(hMainKey As Long, sSubKey As String, lIndex As Long, lpStr As String) As Boolean
'EnumKey函数打开有hMainKey主键和sSubKey子键指定的注册键，lIndex为要查询的子键值
'的索引,lpStr为放置子键值的字符串缓冲，如果要查询一个键值的所有子键，只要将lIndex
'首先设置为0，然后将lIndex递增1再调用EnumKey函数，直到函数返回0为止
    Dim hKey As Long    '打开键的句柄
    Dim i As Long
    
    If RegOpenKey(hMainKey, sSubKey, hKey) = ERROR_SUCCESS Then
        lpStr = Space(255) + Chr(0)
        Debug.Print Len(lpStr)
        If RegEnumKey(hKey, lIndex, lpStr, Len(lpStr)) = ERROR_SUCCESS Then
            EnumKey = True
        Else
            EnumKey = False
        End If
    Else
        EnumKey = False
    End If
    RegCloseKey hKey
End Function
Public Function DeleteKey(lPredefinedKey As Long, sKeyName As String)
'DeleteKey函数打开有hPredfineKeyKey主键和sKeyName子键指定的注册键,再将此子键删除
    Dim lRetVal As Long
    Dim hKey As Long         '打开键的句柄
        
    lRetVal = RegOpenKeyEx(lPredefinedKey, sKeyName, 0, KEY_ALL_ACCESS, hKey)
    lRetVal = RegDeleteKey(lPredefinedKey, sKeyName)
    RegCloseKey (hKey)
End Function

Public Function DeleteValue(lPredefinedKey As Long, sKeyName As String, sValueName As String)
'DeleteValue函数删除一个值
    Dim lRetVal As Long
    Dim hKey As Long     '打开键的句柄
    
    lRetVal = RegOpenKeyEx(lPredefinedKey, sKeyName, 0, KEY_ALL_ACCESS, hKey)
    lRetVal = RegDeleteValue(hKey, sValueName)
    RegCloseKey (hKey)
End Function

Public Function SetValueEx(ByVal hKey As Long, sValueName As String, lType As Long, vValue As Variant) As Long
'SetValueEx函数设置值
'如果参数为REG_SZ则设置的值为字符串
'如果参数为REG_WORD设置的值为整数值
    Dim lValue As Long
    Dim sValue As String

    Select Case lType
        Case REG_SZ
            sValue = vValue
            SetValueEx = RegSetValueExString(hKey, sValueName, 0&, lType, sValue, Len(sValue))
        Case REG_DWORD
            lValue = vValue
            SetValueEx = RegSetValueExLong(hKey, sValueName, 0&, lType, lValue, 4)
        End Select
End Function

Function QueryValueEx(ByVal lhKey As Long, ByVal szValueName As String, vValue As Variant) As Long
    Dim cch As Long
    Dim lrc As Long
    Dim lType As Long
    Dim lValue As Long
    Dim sValue As String

    On Error GoTo QueryValueExError

    lrc = RegQueryValueExNULL(lhKey, szValueName, 0&, lType, 0&, cch)
    If lrc <> ERROR_NONE Then Error 5

    Select Case lType
        '查询字符串值
        Case REG_SZ:
            sValue = String(cch, 0)
            lrc = RegQueryValueExString(lhKey, szValueName, 0&, lType, sValue, cch)
            If lrc = ERROR_NONE Then
                vValue = Left$(sValue, cch)
            Else
                vValue = Empty
            End If

        '查询整数值
        Case REG_DWORD:
            lrc = RegQueryValueExLong(lhKey, szValueName, 0&, lType, lValue, cch)
            If lrc = ERROR_NONE Then vValue = lValue
        Case Else
            lrc = -1
    End Select

QueryValueExExit:

    QueryValueEx = lrc
    Exit Function

QueryValueExError:

    Resume QueryValueExExit

End Function
Public Function CreateNewKey(lPredefinedKey As Long, sNewKeyName As String)
' Description:
' 这个函数建立一个新的键
    Dim hNewKey As Long         '打开新键的句柄
    Dim lRetVal As Long
    
    lRetVal = RegCreateKeyEx(lPredefinedKey, sNewKeyName, 0&, vbNullString, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, 0&, hNewKey, lRetVal)
    RegCloseKey (hNewKey)
End Function

Public Function SetKeyValue(lPredefinedKey As Long, sKeyName As String, sValueName As String, vValueSetting As Variant, lValueType As Long)
       Dim lRetVal As Long
       Dim hKey As Long         '打开键的句柄

       lRetVal = RegOpenKeyEx(lPredefinedKey, sKeyName, 0, KEY_ALL_ACCESS, hKey)
       lRetVal = SetValueEx(hKey, sValueName, lValueType, vValueSetting)
       RegCloseKey (hKey)
End Function

Public Function QueryValue(lPredefinedKey As Long, sKeyName As String, sValueName As String)
       Dim lRetVal As Long
       Dim hKey As Long         '打开键的句柄
       Dim vValue As Variant      'setting of queried value


       lRetVal = RegOpenKeyEx(lPredefinedKey, sKeyName, 0, KEY_ALL_ACCESS, hKey)
       lRetVal = QueryValueEx(hKey, sValueName, vValue)
       QueryValue = vValue
       RegCloseKey (hKey)
End Function