[PD-dev] calling external code(.dll) from pd-external(win32xp)

[Hans-Christoph Steiner]

If you just want your external to link against another dll, that  
happens automatically with the MinGW build system.  There are lots of  
externals that do this that are included in Pd-extended (as well as  
the DLLs).

.hc

On Mar 12, 2008, at 4:05 PM, best boy wrote:

> ok, thank you very much for your help
> LoadLibrary() and GetProcAddress do the job now.
> and it seems to work :)
> bye
> bb
>
> > From: martin.peach at sympatico.ca
> > To: ladataxi at hotmail.de; pd-dev at iem.at
> > Subject: RE: [PD-dev] calling external code(.dll) from pd-external 
> (win32xp)
> > Date: Wed, 12 Mar 2008 19:00:21 +0000
> >
> > best boy
> >
> > >maybe this is a misunderstanding. i try to explain.
> > >i want to write a pd external (which will be a dll on win).
> > >this pd external should contain code to call functions from  
> another dll
> > >which is not pd-related
> > >
> >
> > I think you would still use the same two functions: LoadLibrary  
> to load the
> > dll and GetProcAddress to find the address of the function you  
> want to call.
> > It won't make any difference if you call the dll from another dll  
> or an exe.
> > LoadLibrary() and GetProcAddress() are part of the Windows API  
> and not
> > related to pd.
> >
> > Martin
> >
> > > >
> > > > This little bit from s_loader.c shows how pd loads externals,  
> which are
> > >dlls
> > > > on Windows:
> > > >
> > > > #ifdef MSW
> > > > {
> > > > HINSTANCE ntdll = LoadLibrary(filename);
> > > > if (!ntdll)
> > > > {
> > > > post("%s: couldn't load external scheduler lib ", filename);
> > > > return (0);
> > > > }
> > > > externalmainfunc =
> > > > (t_externalschedlibmain)GetProcAddress(ntdll, "main");
> > > > }
> > > >
> > > > Martin
> >
> >
>
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