Re: DLL, VB and Borland C/C++

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#153

From: Jeff Jenkins
Date: Thu, 22 Feb 1996 19:17

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Robert Taylor wrote:
> 
> Sylvain Souche wrote:
> >
> > Hi,
> >
> > I am trying desperatly to call a DLL created with Borland C/C++ 4.5 in a
> > VB 3.0 application, but VB always complains about a so called "Bad
> > Calling Convention Error". This Error message is not very documented,
> > and Borland Help files are worth nothing, so...
> >
> > If anyone know about this problem, could you tell me.
> >
> > Thanks for e-mail replies
> >
> > --
> >         Sylvain Souche
> >         Sylvain.Souche@supaero.fr
> 
> You are probably not exporting the function correctly in the Borland C++
> DLL.  I am pretty sure that VB 3.0 requires imported functions to be
> 'FAR PASCAL'.
> 
> If you are not declaring the function as FAR PASCAL, it will default to
> 'CDECL'; which will cause the above mentioned error...
> 
> -- Bob T.

Also, make sure you don't have exception handling enabled for the DLL.

-- jrj

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Path: arc1-ca.pugleaf.net!druid.borland.com!usenet
From: Jeff Jenkins <jjenkins@wpo.borland.com>
Newsgroups: comp.lang.basic.visual.misc,comp.lang.c,comp.lang.c++
Subject: Re: DLL, VB and Borland C/C++
Date: Thu, 22 Feb 1996 11:17:59 -0800
Organization: Borland International
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