Attribute VB_Name = "Module2"
Option Explicit

'讀寫注冊表任何地方的函數

'               徐飛宇 http://micrsoft.siteem.com



'用于操作注冊表的API函數定義    -begin-
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 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 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 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 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
'用于操作注冊表的API函數定義    -end-
'用于操作注冊表的常數定義   -begin-
'預定義的根結點
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
'預定義的鍵值類型
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_LITTLE_ENDIAN = 4
Public Const REG_DWORD_BIG_ENDIAN = 5
Public Const REG_LINK = 6
Public Const REG_MULTI_SZ = 7
Public Const REG_RESOURCE_LIST = 8
Public Const REG_FULL_RESOURCE_DESCRIPTOR = 9
Public Const REG_RESOURCE_REQUIREMENTS_LIST = 10
#If WinNT Then
'打開注冊文件的方式
Public Const KEY_EVENT = &H1
Public Const KEY_NOTIFY = &H10
Public Const KEY_QUERY_VALUE = &H1
Public Const KEY_SET_VALUE = &H2
Public Const KEY_CREATE_SUB_KEY = &H4
Public Const KEY_ENUMERATE_SUB_KEYS = &H8
Public Const KEY_CREATE_LINK = &H20
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_EXECUTE = (KEY_READ)
Public Const KEY_WRITE = ((STANDARD_RIGHTS_WRITE Or KEY_SET_VALUE Or KEY_CREATE_SUB_KEY) And (Not SYNCHRONIZE))
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))
#End If
'注冊文件錯誤描述
Const ERROR_SUCCESS = 0&
Const ERROR_BADDB = 1009&
Const ERROR_BADKEY = 1010&
Const ERROR_CANTOPEN = 1011&
Const ERROR_CANTREAD = 1012&
Const ERROR_CANTWRITE = 1013&
Const ERROR_REGISTRY_RECOVERED = 1014&
Const ERROR_REGISTRY_CORRUPT = 1015&
Const ERROR_REGISTRY_IO_FAILED = 1016&
Const ERROR_NOT_REGISTRY_FILE = 1017&
Const ERROR_KEY_DELETED = 1018&
Const ERROR_NO_LOG_SPACE = 1019&
Const ERROR_KEY_HAS_CHILDREN = 1020&
Const ERROR_CHILD_MUST_BE_VOLATILE = 1021&
Const ERROR_RXACT_INVALID_STATE = 1369&
' 自定義注冊文件錯誤
Const REGAGENT_NOKEY = -1002
Const REGAGENT_NOSUBKEY = -1003

Public glStatus As Long

'用于操作注冊表的常數定義   -end-
Function gfsGetKeyStringValue(ByVal plKey As Long, ByVal psKey As String, ByVal psSubKey As String) As String

'功    能：從注冊表中取得串值
'參    數：
'          輸入:    plKey                   Long        根鍵名
'                   psKey                   String      主鍵名
'                   psSubKey                String      子鍵名
'          輸出:    gfsGetKeyStringValue    String      取得的注冊表串值
'          影響:    glStatus                Long        狀態值
    Dim llKeyID         As Long         '打開鍵的ID
    Dim llBufferSize    As Long         '需讀取串的串值長度
    Dim lsKeyValue      As String       '存放讀取的串值
    
    '預先置為空
    gfsGetKeyStringValue = Empty
    
    glStatus = ERROR_SUCCESS        '假設成功
    
    '確定參數有效
    If Len(psKey) = 0 Then      '主鍵未設置（子鍵未設置則讀默認值）
        glStatus = REGAGENT_NOKEY
        Exit Function
    End If
       
    '首先打開主鍵
    glStatus = RegOpenKey(plKey, psKey, llKeyID)
    
    If glStatus = ERROR_SUCCESS Then    '成功則取需讀取字串的串值大小
        glStatus = RegQueryValueEx(llKeyID, psSubKey, 0&, REG_SZ, 0&, llBufferSize)
        If llBufferSize < 2 Then    '空值
            glStatus = RegCloseKey(llKeyID)
        Else    '有值，正式讀取串值
            lsKeyValue = String(llBufferSize + 1, " ")
            glStatus = RegQueryValueEx(llKeyID, psSubKey, 0&, REG_SZ, ByVal lsKeyValue, llBufferSize)
            If glStatus = ERROR_SUCCESS Then
                gfsGetKeyStringValue = Left$(lsKeyValue, llBufferSize - 1)
            End If
            glStatus = RegCloseKey(llKeyID)
        End If
    End If
End Function
Function gflGetKeyBinaryValue(ByVal plKey As Long, ByVal psKey As String, ByVal psSubKey As String) As Long

'功    能：從注冊表中取得二進制值
'參    數：
'          輸入:    plKey                   Long        根鍵名
'                   psKey                   String      主鍵名
'                   psSubKey                String      子鍵名
'          輸出:    gflGetKeyBinaryValue    Long        取得的注冊表二進制值
'          影響:    glStatus                Long        狀態值
    Dim llKeyID         As Long         '打開鍵的ID
    Dim llKeyValue      As Long         '存放讀取的二進制值
    
    '預先置為空
    gflGetKeyBinaryValue = Empty
    
    glStatus = ERROR_SUCCESS        '假設成功
    
    '確定參數有效
    If Len(psKey) = 0 Then      '主鍵未設置（子鍵未設置則讀默認值）
        glStatus = REGAGENT_NOKEY
        Exit Function
    End If
       
    '首先打開主鍵
    glStatus = RegOpenKey(plKey, psKey, llKeyID)
    
    If glStatus = ERROR_SUCCESS Then    '成功則取二進制值
        glStatus = RegQueryValueEx(llKeyID, psSubKey, 0&, REG_BINARY, llKeyValue, Len(llKeyValue))
        If glStatus = ERROR_SUCCESS Then
            gflGetKeyBinaryValue = llKeyValue
        End If
        glStatus = RegCloseKey(llKeyID)
    End If
End Function
Function gflGetKeyDwordValue(ByVal plKey As Long, ByVal psKey As String, ByVal psSubKey As String) As Long
'ok
'功    能：從注冊表中取得雙字值
'參    數：
'          輸入:    plKey                   Long        根鍵名
'                   psKey                   String      主鍵名
'                   psSubKey                String      子鍵名
'          輸出:    gflGetKeyDwordValue     Long        取得的注冊表雙字值
'          影響:    glStatus                Long        狀態值
    Dim llKeyID         As Long         '打開鍵的ID
    Dim llKeyValue      As Long         '存放讀取的雙字值
    
    '預先置為空
    gflGetKeyDwordValue = Empty
    
    glStatus = ERROR_SUCCESS        '假設成功
    
    '確定參數有效
    If Len(psKey) = 0 Then      '主鍵未設置（子鍵未設置則讀默認值）
        glStatus = REGAGENT_NOKEY
        Exit Function
    End If
       
    '首先打開主鍵
    glStatus = RegOpenKey(plKey, psKey, llKeyID)
    
    If glStatus = ERROR_SUCCESS Then    '成功則取雙字值
        glStatus = RegQueryValueEx(llKeyID, psSubKey, 0&, REG_DWORD, llKeyValue, Len(llKeyValue))
        If glStatus = ERROR_SUCCESS Then
            gflGetKeyDwordValue = llKeyValue
        End If
        glStatus = RegCloseKey(llKeyID)
    End If
End Function
Sub gpvSetKeyStringValue(ByVal plKey As Long, ByVal psKey As String, ByVal psSubKey As String, ByVal psKeyValue As String)
'ok