[Mono-devel-list] Serializing widgets with C#

[Alfredo Jose Muela Romero]

El Mon, 01 Aug 2005 05:45:57 -0700
Rafael Ferreira <lists at ophion.org> escribió:

> Alfredo Jose Muela Romero wrote:
> 
> >El Sun, 31 Jul 2005 17:48:21 -0700
> >Rafael Ferreira <lists at ophion.org> escribió:
> >
> >  
> >
> >>Crazy question but can you explain to me why would you want to do
> >>that? 
> >>    
> >>
> >
> >	Sure.
> >
> >	The point is that I'm developing a program in which the GUI is
> >generated dinamically (i.e. widgets come and go with the user
> >interaction) so one of my business classes contains an array of
> >Gtk.Widgets (the ones which are added to the interface). So, somehow,
> >I need to keep this info for the next restarting of the program (in
> >order to keep the interface as the user wanted before stopping the
> >program). At this point the choices were:
> >
> >	1) Back-up the object at a OODB
> >	2) Back-up the data at tables in a RDB
> >	3) Make a config file where I put the needed info to reconstruct
> >	the
> >objects (with the widgets) at starting time
> >	4) Serialize the objects before stopping the program and
> >	deserialize
> >them at starting.
> >
> >	And, well, you know my choice.
> >
> >	Any suggestions and/or advices will be welcomed.
> >
> >
> >			Alfredo.
> > 
> >  
> >
> >>- raf
> >>
> >>On Sun, 2005-07-31 at 19:46 +0200, Alfredo Jose Muela Romero wrote:
> >>    
> >>
> >>>	Hi everybody,
> >>>
> >>>	I'm new to this list, I have look up the answer to my question
> >>>	trough
> >>>the list's files but I haven't found it so I'll make it: how can I
> >>>make it to serialize an object which contains an array of
> >>>Gtk.Widgets since for serializing I need to mark the classes with
> >>>[Serializable]? In other words, how can I serialize an object with
> >>>3rd party objects whithin?
> >>>
> >>>	Thanks in advance,
> >>>
> >>>
> >>>				Alfredo.
> >>>_______________________________________________
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> >>>Mono-devel-list at lists.ximian.com
> >>>http://lists.ximian.com/mailman/listinfo/mono-devel-list
> >>>      
> >>>
> >>_______________________________________________
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> >>    
> >>
> >_______________________________________________
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> >http://lists.ximian.com/mailman/listinfo/mono-devel-list
> >  
> >
> What you're trying to accomplish is impossible. first because gtk 
> widgets are not serializable and secondly, it just sounds like a bad 
> idea all together :-). In order for you to serialize an array of 
> anything the entire object graph needs to be serializable, so if you 
> wrap a gtk widget in a class that is ISerializable, it will still fail
> 
> since the widget isn't.
> 
>  I suggest you look into Monodevelop's settings code to get a sense of
>  
> how MD is persisting the user UI preferences and reconfiguring it at 
> start up.

	I haven't read it all (it's quite big), anyway it looks like it uses a
kind of config file which is read at start-up time, am I right?
 
> 
> my 2 cents,
> 
> - raf
> 
> 
> 
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