Re: Problem Querying Bonobo_Unknown

A Qui, 2004-02-05 s 09:59, Andrew Burton escreveu:
> Hi list,
> I am new to Bonobo, so forgive me if this question seems stupid. I
> haven't been able to find an answer on the list, and the docs are a
> little tricky for a newbie like me ;)
> I'm trying to embed an EOG control in a window, and here is what I'm
> doing so far:
> Bonobo_Control mycontrol;
> Bonobo_PersistStream pstream;
> mycontrol = bonobo_get_object ("OAFIID:GNOME_EOG_Control",
> "Bonobo/Control", &ev );
> pstream = (Bonobo_PersistStream) Bonobo_Unknown_queryInterface
> (mycontrol, "IDL:Bonobo/PersistStream:1.0", &ev );
> if (BONOBO_EX(&ev) || (pstream == CORBA_OBJECT_NIL)) {
>         g_error ("Failed to get pstream"); return -1; }
> For some reason, I cannot get pstream to work with the
> Bonobo_Unknown_queryInterface call. If I use Bonobo_PersistFile instead,
> it works correctly, but I read in the API that PersistFile is deprecated
> in favour of PersistStream. Plus the file I am retrieving is not
> available via the VFS interface.

  Not all people agree that PersistStream is better than PersistFile.  I
am one of those who believe that PersistStream is better, although it
could be improved to overcome the shortcomings pointed out by
PersistFile apologists.

> GNOME_EOG_Control implements the PersistStream interface, according to
> its server file.
> Any insights or suggestions would be greatly appreciated.

   File a bug report ;-)

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> gnome-components-list gnome org
Gustavo Joo Alves Marques Carneiro
<gjc inescporto pt> <gustavo users sourceforge net>
The universe is always one step beyond logic.

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