Re: Building DLLs to be loaded from Visual Basic

["Mader, Alexander" <alexander dot mader at niles dot de>]

Hallo,

Massimiliano Mirra schrieb:
> My questions:
>
> - is anybody today successfully building DLLs with cygwin (not
>   mingw32) and loading them from Visual Basic (or other languages)?

I have to provide DLLs for VB and do so by using Cygwin but with 
-mnocygwin, which is more or less using mingw32. Anyway, I proceed this 
way in order to limit the library dependencies to native MS ones.

> - is documentation about the process available?

I have no idea. But I know about some problems regading VB in connection 
with C _not_ with Cygwin. So, compiling with gcc-2 it is usefull to use 
-fnative-struct (no more available/nessesary in gcc). Because of the VB-
Structure-Conventions it could be nessesary to use -fpack-struct 
together with dummy elements in the structure in question. The solution 
to problems like this I found in the MS database.

Hope this helps,

Alexander.
--
Alexander Mader <alexander dot mader at niles dot de>	Fon: +49-30-93033-636
NILES Werkzeugmaschinen GmbH			Fax: +49-30-93033-603
				www.niles.de



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