CTypes, 64 bit windows, 32 bit dll

[mimi.vx]

On Mar 31, 4:22 pm, rdahlstrom <roger.dahlst... at gmail.com> wrote:
> So I have a 64 bit Windows 2003 system, running python 2.5.1.1.
>
> I can import a Windows .dll (msvcrt or whatever) using ctypes, but
> when attempting to import another application-specific .dll (tibrv.dll
> if anyone is familiar with it), I receive the error WindowsError:
> [Error 193] %1 is not a valid Win32 application.
>
> I know there's a Windows on Windows (wow) which allows 32 bit
> processes to run on 64 bit windows - is there a way to work this in
> somehow?  Maybe I'm barking up the wrong tree?
>
> Code is simple, and works on 32 bit systems no
>
> from ctypes import *
> #this doesn't work
> tibrv = cdll.tibrv
> #this does work
> msvcrt = cdll.msvcrt

all dlls and python must be 32bit or 64bit, no mixed ...