On 04/20/2009 05:13 PM, Andreas Volz wrote:
I'm a little confused about the Glib::RefPtr<> usage in gtkmm.
For some returns are used smart pointers and for some normal pointers.
e.g.:
Gtk::ComboBox:
Glib::RefPtr<TreeModel> get_model ()
but
Gtk::Bin:
Widget* get_child ()
So why is a smart pointer used for get_model(), but not for
get_child(). Is there a reason behind? Could someone please explain
this?
get_child() return the widget that belongs to the other widget. There is
not transfert of ownership. The only reason it return a pointer and not
a reference is because it can be NULL.
Hub
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