On Thu, 2007-11-08 at 23:39 +0100, Andreas Volz wrote: > Am Thu, 08 Nov 2007 08:52:44 +0100 schrieb Murray Cumming: > > > Yes. You need to check pointers (or RefPtrs) for null before > > dereferencing them. For instance > > if(list_store) > > list_store->do_something(). > > After some hours of searching I found the problem. > > Glib::RefPtr<Gtk::ListStore> m_refListModel; > ... > > Now I tried to clear my ListStore: > > m_refListModel.clear (); > > This compiled nice, but m_refListModel was NULL after calling this. > > m_refListModel->clear (); > > This worked as I expected. After reading the documentation of RefPtr, I > know the problem. This was a *really* hard to find bug!
We've all made that mistake once. I would rename the clear() method on some classes if it didn't meant that hundreds of applications would break. -- [EMAIL PROTECTED] www.murrayc.com www.openismus.com _______________________________________________ gtkmm-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/gtkmm-list
