Re: Work with classes in C++

[Bob Caryl <bob fis-cal com>]

Carlos Garces wrote:

> Hi
>
> All source code are there:
> http://cvs.sourceforge.net/viewcvs.py/winpackman/WinPackManGTK/src/
>
> I'm changed the code and now loks like this:
>
> class OptionsPane : public Gtk::Notebook
> {
> 	public:
> 		OptionsPane(BaseObjectType* cobj, Glib::RefPtr<Gnome::Glade::Xml>& pGlade);
>
> But Fails on execution time, in this line.
>
> mpGlade->get_widget("main_window", mpOptionsPane);
>
> ** (WPM_GLADE.exe:3888): CRITICAL **: Gnome::Glade::Xml::get_widget():
> dynamic_cast<> failed.
>
> I'm not sure that if this is the correct way to do it.
>
> Un saludo
> Carlos Garcés
>
> 2006/2/27, rob page <page rob gmail com>:
>  
>
> > I think it would help if you could show the OptionsPane constructer,
> > as I think this is where the problem might be occuring.
> >
> > Rob.
> >    
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>
>  


Hola Carlos,

I looked at your source code, and the code that is apparently causing 
the problem is not included.  However, I think the problem in the code 
listed in the message above is that you are retrieving your 
"main_window" from the glade XML object, which is apparently (judging 
from what I saw in your main.cpp) a Gtk::Window widget.  In the code 
above you are trying to assign this Gtk::Window pointer to a pointer to 
a Gtk::Notebook, hence the dynamic cast is failing.

Bob

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