Help porting VC1.52 DLL to VC2.2 DLL 
Author Message
 Help porting VC1.52 DLL to VC2.2 DLL

Hi All,
I have a 16 bit Dll compiled by VC1.52 that is callable by VB4/16 no

However I am now trying to create a 32bit version with VC2.2 to call from
and am having problems overcoming an error 453 in VB.

Does anyone have a simple shell for a VC2.2 DLL that has functions callable
from VB4/32?

Many thanks

Sun, 08 Oct 2000 03:00:00 GMT  
 Help porting VC1.52 DLL to VC2.2 DLL

have you looked at the VBDLL.TXT that comes with VB?

The key is that you need to export the functions by name via the .def file
instead of relying on the _declspec(dllexport) keyword.  You also have to
ensure that your using the _stdcall calling convention.  If your 16bit DLL
used the Pascal macro then your using the _stdcall convention as 32bit
windows defines PASCAL as that. So assuming that all you should need to do
is create a DEF file with an exports section that exports the functions

Why isn't there mouse-flavored cat food?

| Author for Pinnacle Publishing "Visual C++ Developer" |

Sun, 08 Oct 2000 03:00:00 GMT  
 [ 2 post ] 

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