Gtk.TreeRowReference
A GtkTreeRowReference tracks model changes so that it always refers to the same row (a Gtk.TreePath refers to a position, not a fixed row). Create a new GtkTreeRowReference with Gtk.new.
A GtkTreeRowReference tracks model changes so that it always refers to the same row (a Gtk.TreePath refers to a position, not a fixed row). Create a new GtkTreeRowReference with Gtk.new.