>Thanks for your suggestion Naomi. I found I could run ildasm from my Visual Studio 2005 Command Prompt, but it is not suitable for this DLL, as it reports a missing valid CLR header. I suspect that this is only good for .NET DLLs and this one isn't a .NET DLL.
>
>Cheers
>Chris

I see. Ok, scratch this suggestion. I was just reading an article http://www.aspheute.com/english/20000828.asp that's where I got this idea.