读写注册表的问题,求指点,刚接触不懂
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Private Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, 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 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 Const HKEY_LOCAL_MACHINE = &H80000002
Private Const REG_SZ = 1&
Private Const REG_EXPAND_SZ = 2&
Private Const REG_BINARY = 3&
Private Const REG_DWORD = 4&
Private Const ERROR_SUCCESS = 0&
'写入注册表字符串键值
Private Sub SetString(hKey As Long, strPath As String, strValue As String, strdata As String, lngType As Long)
Dim keyhand As Long
RegCreateKey hKey, strPath, keyhand
RegSetValueEx keyhand, strValue, 0, lngType, ByVal strdata, Len(strdata) + 8
RegCloseKey keyhand
End Sub
'获得注册表值
Private Function GetString(hKey As Long, strPath As String, strValue As String)
Dim keyhand As Long
Dim lResult As Long
Dim strBuf As String
Dim lDataBufSize As Long
Dim intZeroPos As Integer
Dim lValueType As Long 'new add
RegOpenKey hKey, strPath, keyhand
lResult = RegQueryValueEx(keyhand, strValue, 0&, lValueType, ByVal 0&, lDataBufSize)
If lValueType = REG_SZ Or lValueType = REG_EXPAND_SZ Then
strBuf = String(lDataBufSize, " ")
lResult = RegQueryValueEx(keyhand, strValue, 0&, lValueType, ByVal strBuf, lDataBufSize)
If lResult = ERROR_SUCCESS Then
intZeroPos = InStr(strBuf, Chr$(0))
If intZeroPos > 0 Then
GetString = Left$(strBuf, intZeroPos - 1)
Else: GetString = strBuf
End If
End If
End If
End Function
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Private Sub Command1_Click()
SetString HKEY_LOCAL_MACHINE, "software\管理", "注", "值", ZCfile 'ZCfile是一个变量里面是一个字符串,
'长度有98个字节为什么写入的时候提示ByRef参数不符?要什么弄?关键是问题出在哪里?在学!
end sub 'ZCfile=3B98E2DFFC6CB06A89DCB0D5C60A02069D3D9048DB16A7EEE539E93E3618CBE7AA53CA0B650DFD85C4F59FA156F7A2CC