Re: [Quickfix-developers] QuickFix in VB6 app

[<or...@qu...>]

My knowledge on VB6 is very limited, so maybe someone with more
knowledge can chime in with more details.  My understanding is that in
order for VB6 to interop with C++ you need to have a DLL.  Currently
QuickFIX under windows is only built as a static library (though it is
possible someone has produced a DLL, I'm not aware of it).  So as it
stands I don't think interfacing directly with the C++ library is an
option for you.

The .NET->COM bridge sounds like a more viable option to me.

--oren

> -------- Original Message --------
> Subject: [Quickfix-developers] QuickFix in VB6 app
> From: Daniel Tao <dan...@gm...>
> Date: Mon, March 08, 2010 8:55 am
> To: qui...@li...
> 
> 
> QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/html/index.html
> QuickFIX Support: http://www.quickfixengine.org/services.html<hr>Hi,
> 
> I am doing some freelance work for a firm that is interested in leveraging
> the QuickFix engine in their trading application written in VB6. Basically,
> since QuickFix does not have a VB6 API, I'm wondering what the best way is
> (or anyway, the way you'd recommend) to mesh these two technologies. My
> initial thought was to write a small .NET app in either C# or VB.NET to
> operate as the "middle-man" of sorts, and to interface with the .NET app in
> VB6 via COM. But perhaps it would make more sense to attempt to interop
> directly with the QuickFix C++ API in this way? Or is that not possible?
> 
> My experience is mainly in .NET, so if rewriting the application in .NET is
> the only realistic approach, that is an option (the app is quite small--only
> a handful of source code files).
> 
> It's probably obvious from this question that I am lacking a significant
> amount of knowledge here. A nudge in the right direction, at least, would be
> most welcome.
> 
> Thanks,
> Dan<hr>------------------------------------------------------------------------------
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