by Raghuraja. C (21 Submissions)
Category: Windows API Call/Explanation
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Thu 6th January 2005
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Easy and Fast Way to Read Value from ini file using API Calls
API Declarations
API Calls Used:
Declare Function GetPrivateProfileString 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
Public DATABASE AS String
Public USERNAME AS String
Public PASSWORD AS String
VBcoders
File Name: DatabaseInfo.ini
[DataBaseUsed]
'Database Base Name
Database = "DBTOUSE"
'Valid User Name to Access
Username = "UserName01"
'Valid Password to access
Password = "Password01"
How to use:
fnGetValueFromIniFile "DataBaseUsed", "Database", DATABASE, DatabaseInfo.ini
fnGetValueFromIniFile "DataBaseUsed", "UserName", USERNAME, DatabaseInfo.ini
fnGetValueFromIniFile "DataBaseUsed", "Password", PASSWORD, DatabaseInfo.ini
'==============================================================================
Public Function fnGetValueFromIniFile (ByVal strApplicationName As String, ByVal strKeyName As String, ByRef strReturnedString As String, ByVal strFileName As String) As Boolean
On Error GoTo LOCALERRORHANDLER
Dim lngRc1 As Long 'To store return value
Dim lngRc2 As Long 'To store return value
Dim strCheckBuff As String 'To store and Check buffer
Dim strDefault As String 'Default value
'******************************************************
fnGetIniString = False
strReturnedString = String(261, 0)
strDefault = vbNullString
strFileName = App.Path + "\" + strFileName
lngRc1 = GetPrivateProfileString(strApplicationName, strKeyName, strDefault, strReturnedString, 261, strFileName)
If lngRc1 < 1 Then Exit Function
strReturnedString = Left(strReturnedString, lngRc1)
lngRc2 = lngRc1
strCheckBuff = Chr(0)
lngRc1 = InStr(1, strReturnedString, strCheckBuff, vbTextCompare)
If lngRc1 > 0 Then
lngRc2 = lngRc1 - 1
strReturnedString = Left(strReturnedString, lngRc2)
End If
fnGetValueFromIniFile = True
Exit Function
LOCALERRORHANDLER:
End Function
'==============================================================================
