From: "lrlebron@..." <lrlebron@...>
Date: 2007-08-29T22:10:04+09:00
Subject: Calling VB6 dll from Ruby

I am trying to use a VB6 dll created by another programmer from Ruby.
To see what was I opened it in Visual Studio's object browser. It has
a series of classes with their methods and properties. I want to acess
the Load method in the SalesContract class. Here's my code (which is
probably wrong)

require 'Win32API'
@ops = Win32API.new('SMD Client.dll','SalesContract::Load','I','P')

Here's the error message I'm getting

C:/Data/Projects/Smd_Ruby/testdll.rb:2:in `initialize':
GetProcAddress: SalesContract::Load or SalesContract::LoadA
(RuntimeError)
        from C:/Data/Projects/Smd_Ruby/testdll.rb:2:in `new'
        from C:/Data/Projects/Smd_Ruby/testdll.rb:2

I'm not sure that this is even possible. Any help would be greatly
appreciated.

Luis