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Urgent -  VB5 and INI files

Posted on 1998-09-14
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How can I get VB5 to read INI files, not interested in the registry this time.  Similat to GetPrivateProfileString in VB4 etc.

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Question by:SteveWood
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2 Comments
 
LVL 14

Accepted Solution

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waty earned 200 total points
ID: 1434723
Here is a module to read/write INI files

Option Explicit

'---------------------------------------------------------------
'-INI API Declarations...
'---------------------------------------------------------------
Declare Function OSGetPrivateProfileInt Lib "kernel32" Alias "GetPrivateProfileIntA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal nDefault As Long, ByVal lpFileName As String) As Long
Declare Function OSGetPrivateProfileSection Lib "kernel32" Alias "GetPrivateProfileSectionA" (ByVal lpAppName As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long
Declare Function OSGetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long

Declare Function OSWritePrivateProfileSection Lib "kernel32" Alias "WritePrivateProfileSectionA" (ByVal lpAppName As String, ByVal lpString As String, ByVal lpFileName As String) As Long
Declare Function OSWritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpString As Any, ByVal lpFileName As String) As Long

Declare Function OSGetProfileInt Lib "kernel32" Alias "GetProfileIntA" (ByVal lpAppName As String, ByVal lpKeyName As String, ByVal nDefault As Long) As Long
Declare Function OSGetProfileSection Lib "kernel32" Alias "GetProfileSectionA" (ByVal lpAppName As String, ByVal lpReturnedString As String, ByVal nSize As Long) As Long
Declare Function OSGetProfileString Lib "kernel32" Alias "GetProfileStringA" (ByVal lpAppName As String, ByVal lpKeyName As String, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long) As Long

Declare Function OSWriteProfileSection Lib "kernel32" Alias "WriteProfileSectionA" (ByVal lpAppName As String, ByVal lpString As String) As Long
Declare Function OSWriteProfileString Lib "kernel32" Alias "WriteProfileStringA" (ByVal lpszSection As String, ByVal lpszKeyName As String, ByVal lpszString As String) As Long

Private Const nBUFSIZEINI = 1024
Private Const nBUFSIZEINIALL = 4096

Public Function GetPrivateProfileString(ByVal szSection As String, ByVal szEntry As Variant, ByVal szDefault As String, ByVal szFileName As String) As String
   ' *** Get an entry in the inifile ***

   Dim szTmp                     As String
   Dim nRet                      As Long

   If (IsNull(szEntry)) Then
      ' *** Get names of all entries in the named Section ***
      szTmp = String$(nBUFSIZEINIALL, 0)
      nRet = OSGetPrivateProfileString(szSection, 0&, szDefault, szTmp, nBUFSIZEINIALL, szFileName)
   Else
      ' *** Get the value of the named Entry ***
      szTmp = String$(nBUFSIZEINI, 0)
      nRet = OSGetPrivateProfileString(szSection, CStr(szEntry), szDefault, szTmp, nBUFSIZEINI, szFileName)
   End If
   GetPrivateProfileString = Left$(szTmp, nRet)

End Function

Public Sub WritePrivateProfile(ByVal szSection As String, ByVal szEntry As Variant, ByVal vValue As Variant, ByVal szFileName As String)
   ' *** Write an szEntry in the inifile ***

   Dim nRet                      As Long

   If (IsNull(szEntry)) Then
      ' *** Delete the section ***
      nRet = OSWritePrivateProfileString(szSection, 0&, 0&, szFileName)
   ElseIf (IsNull(vValue)) Then
      ' *** Delete the entry in the section ***
      nRet = OSWritePrivateProfileString(szSection, CStr(szEntry), 0&, szFileName)
   Else
      ' *** Insert or replace the Entry ***
      nRet = OSWritePrivateProfileString(szSection, CStr(szEntry), CStr(vValue), szFileName)
   End If

End Sub

Public Function GetProfileString(ByVal szSection As String, ByVal szEntry As Variant, ByVal szDefault As String) As String
   ' *** Get an entry in the WIN inifile ***

   Dim szTmp                    As String
   Dim nRet                     As Long

   If (IsNull(szEntry)) Then
      ' *** Get names of all entries in the named Section ***
      szTmp = String$(nBUFSIZEINIALL, 0)
      nRet = OSGetProfileString(szSection, 0&, szDefault, szTmp, nBUFSIZEINIALL)
   Else
      ' *** Get the value of the named Entry ***
      szTmp = String$(nBUFSIZEINI, 0)
      nRet = OSGetProfileString(szSection, CStr(szEntry), szDefault, szTmp, nBUFSIZEINI)
   End If
   GetProfileString = Left$(szTmp, nRet)

End Function


Sub WriteProfile(ByVal szSection As String, ByVal szEntry As Variant, ByVal vValue As Variant)
   ' *** Write an szEntry in the WIN inifile ***

   Dim nRet                      As Long

   If (IsNull(szEntry)) Then
      ' *** Delete the section ***
      nRet = OSWriteProfileString(szSection, 0&, 0&)
   ElseIf (IsNull(vValue)) Then
      ' *** Delete the entry in the section ***
      nRet = OSWriteProfileString(szSection, CStr(szEntry), 0&)
   Else
      ' *** Insert or replace the Entry ***
      nRet = OSWriteProfileString(szSection, CStr(szEntry), CStr(vValue))
   End If

End Sub

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Author Comment

by:SteveWood
ID: 1434724
I managed to get an answer from Microsoft but no where near as detailed as your.  Thanks
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