Re: Two warnings when creating a TreeStore

[Murray Cumming <murrayc murrayc com>]

On Thu, 2007-09-13 at 11:15 -0400, Jos�lburquerque wrote: 
> As far as gtkmm and inheritance, I found that if I use something like 
> TreeModelColumn<MyBaseClass> in a TreeModelColumnRecord, derived members 
> of MyBaseClass only use the virtual methods of the base class (not the 
> derived class!), but if I use something like 
> TreeModelColumn<MyBaseClass*>, dereferencing the pointer to the derived 
> class later, does use the virtual (overridden) method of the derived 
> class.  Thanks again everyone for your help.

This is just like putting a Derived instance in a std::list<Base>. The
Base part will be copied into a new instance in the list, but that
instance won't be a Derived. This is how copy-by-value works.

-- 
murrayc murrayc com
www.murrayc.com
www.openismus.com