On Sun, 2007-12-02 at 12:38 +0000, Robert Pearce wrote: > On Sun, 2 Dec 2007, Gezim Hoxha <[EMAIL PROTECTED]> wrote : > > > >So, now this code works: > > Gtk::VolumeButton *my1223 = new Gtk::VolumeButton; > > myvbox->pack_end(*my1223); > > my1223->show(); > > > >but this doesn't: > > Gtk::VolumeButton my1223; > > myvbox->pack_end(my1223); > > my1223.show(); > > > >and my question is, why doesn't this last code work? > > > Is this code in a function / method? Because if so the explanation is > simple. The second form creates a _local_ _temporary_ Gtk::VolumeButton > object and packs then shows it. And then the function / method > terminates and all local objects are destroyed, including the widget. > > The first form makes the widget on the heap and only destroys a pointer > to it.
Thanks Robert, that makes sense. Still trying to wrap my head around the GUI programming paradigm. -Gezim _______________________________________________ gtkmm-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/gtkmm-list
