how can i call a c++ dll i made in vc++ in visual basic

[MartinLiss]

You'll need to declare a Function like this one which is used with a dll named RWTGetData, but modified for your dll location and fields passed by the dll.

Public Declare Function RWTGetData Lib "c:\rqt\dbacc.dll" (ByVal sData As String, ByRef nErrCode As Long, ByVal sErrText As String) As Long


I don't think the Ints passed by the dll will be a problem, but the chars will probably need to be handled as follows:

Dim sData as String
Dim lRC As Long
Dim sData as String
Dim sErrText as String

sData = String(255, 0)
sData = Space(MAXLEN)
lRC = RWTGetData(sData, lError, sErrText)

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Marty