Strip Comments Off Strings Returned by GetPrivateProfileString

Windows doesn’t treat comments in INI files the same way VB does in code. Typically, comments must be on a single line of their own. When calling the GetPrivateProfileString function, if the requested entry contains a Rem statement-such as “; this is a rem’d statement”-the entire entry, value and comment, will be returned.

If your code anticipates the entry without comment, confusion could result from a user entering a comment following the entry rather than on a separate line. Use this VB code example to properly receive a return using the GetPrivateProfileString function call under any circumstance:

 Private Declare Function GetPrivateProfileString _	Lib "kernel32" Alias _	"GetPrivateProfileStringA" (ByVal _	lpApplicationName As Any, ByVal lpKeyName As _	Any, ByVal lpDefault As String, ByVal _	lpReturnedString As String, ByVal nSize As _	Long, ByVal lpFileName As String) As LongPrivate Sub Form_Click()	Dim IniString As String	Dim sDefault As String	Dim lReturn As Long	sDefault = "n/a"	' allocate sufficient buffer	IniString = String$(260, 0)	lReturn = GetPrivateProfileString("DB", _		"Path", sDefault, IniString, _		Len(IniString), "c:	est.ini")	If lReturn > 0 Then		IniString = Left$(IniString, lReturn)		Debug.Print IniString		' added to strip out trailing comments		If InStr(IniString, ";") > 0 Then			IniString = Trim$(Left$(IniString, _				InStr(IniString, ";") - 1))			If InStr(IniString, vbTab) > 0 Then				IniString = Trim$(Left$(IniString, _					InStr(IniString, vbTab) - 1))			End If		End If	Else		IniString = sDefault	End If	Debug.Print IniStringEnd Sub
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