Thank you very much !

You are right, I'm using FB as a service. When I switched FB to
application mode, everything worked perfectly.

I tried CreateProcess() previously but I wasn't providing any special
parameters. I'll try again and keep you posted with the results.

Thanks again and have a great day

Emmanuel

--- In firebird-support@yahoogroups.com, Teträm Corp <dev@...> wrote:
>
> Hi,
>
> I guess you're using FB as service
> So, the ShellExecute is executed in the service context... no session
so
> no GUI, etc
>
> AFAIR, if you want to do that, you have to use CreateProcess and give
> some parameters to say which session will shows up your application
> (look at msdn for more details)
> At least, you can test my assumptions by running FB as application. If
> I'm right, you'll have your application shown.
>
> Also, keep in mind that your ShellExecute will run application on the
> server, so whatever you do distant clients will never show the
> application on their computer
>
> domokaidus a écrit :
> >
> >
> > Hello everyone,
> >
> > I coded the following UDF but I'm getting strange behavior. The code
> > is actually executed and ShellExecute returns success(value > 32)
but
> > the application passed in parameter never show up.
> >
> > When I used the same ShellExecute call from a standard dialog-based
> > application, it works perfectly.
> >
> > Your help would be greatly appreciated !
> > Thanks
> >
> > function ExecShell(sz: PChar):integer;cdecl;export;
> > var
> > Handle: HWND;
> > begin
> > //Write2EventLog('UDF', sz);
> > result := ShellExecute(Handle,'open', sz, nil, nil, SW_SHOWNORMAL) ;
> > end;
> >
> >
>