reg32.bas

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Attribute VB_Name = "Reg32"
'Option Explicit

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
Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult 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 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
Public Const REG_SZ = 1
Public Const REG_DWORD = 4

Public Sub savekey(hKey As Long, strPath As String)
Dim keyhand&
r = RegCreateKey(hKey, strPath, keyhand&)
r = RegCloseKey(keyhand&)
End Sub

Public Function getstring(hKey As Long, strPath As String, strValue As String)

Dim keyhand As Long
Dim datatype As Long
Dim lResult As Long
Dim strBuf As String
Dim lDataBufSize As Long
Dim intZeroPos As Integer
r = RegOpenKey(hKey, strPath, keyhand)
lResult = RegQueryValueEx(keyhand, strValue, 0&, lValueType, ByVal 0&, lDataBufSize)
If lValueType = REG_SZ Then
    strBuf = String(lDataBufSize, " ")
    lResult = RegQueryValueEx(keyhand, strValue, 0&, 0&, 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

Public Function DeleteValue(ByVal hKey As Long, ByVal strPath As String, ByVal strValue As String)
Dim keyhand As Long
Dim TReg
    TReg = RegOpenKey(hKey, strPath, keyhand)
    TReg = RegDeleteValue(keyhand, strValue)
    TReg = RegCloseKey(keyhand)
    
End Function

Function SetStringValue(SubKey As String, Entry As String, Value As String)

'Call ParseKey(SubKey, MainKeyHandle)

If MainKeyHandle Then
   rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_WRITE, hKey) 'open the key
   If rtn = ERROR_SUCCESS Then 'if the key was open successfully then
      rtn = RegSetValueEx(hKey, Entry, 0, REG_SZ, ByVal Value, Len(Value)) 'write the value
      If Not rtn = ERROR_SUCCESS Then   'if there was an error writting the value
         If DisplayErrorMsg = True Then 'if the user wants errors displayed
            'MsgBox ErrorMsg(rtn)        'display the error
         End If
      End If
      rtn = RegCloseKey(hKey) 'close the key
   Else 'if there was an error opening the key
      If DisplayErrorMsg = True Then 'if the user wants errors displayed
         'MsgBox ErrorMsg(rtn)        'display the error
      End If
   End If
End If

End Function