add: gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ), onglet_affichage_liste(), gtk_label_new ( _("Affichage liste") ) );
context: void preferences ( GtkWidget *widget,		   gint page_demandee ){  /* cration de la fentre */  fenetre_preferences = gnome_property_box_new ();  gtk_window_set_title ( GTK_WINDOW ( fenetre_preferences ),			 _("Configuration Grisbi") );  gtk_window_set_transient_for ( GTK_WINDOW (fenetre_preferences),				 GTK_WINDOW (window));  gtk_window_set_modal ( GTK_WINDOW (fenetre_preferences),			 TRUE);  gnome_dialog_set_parent( GNOME_DIALOG ( fenetre_preferences ),			   GTK_WINDOW ( window) );  gtk_widget_hide ( GNOME_PROPERTY_BOX ( fenetre_preferences ) -> help_button );/*   on cre le premier onglet : Gnral */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_general(),				   gtk_label_new ( _("Gnral") ) );/* cration du 2me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_fichier(),				   gtk_label_new ( _("Fichiers")  ));/* cration du 3me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_echeances(),				   gtk_label_new ( _("chances") ) );/* cration du 4me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_affichage(),				   gtk_label_new ( _("Affichage") ) );/* cration du 5me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_applet(),				   gtk_label_new ( _("Applet") ) );/* cration du 6me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_devises(),				   gtk_label_new ( _("Devises") ) );/* cration du 7me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_banques(),				   gtk_label_new ( _("Banques") ) );/* cration du 9me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_exercices(),				   gtk_label_new ( _("Exercices") ) );/* cration du 9me onglet */  gnome_property_box_append_page ( GNOME_PROPERTY_BOX ( fenetre_preferences ),				   onglet_types_operations(),				   gtk_label_new ( _("Types d'oprations") ) );/* connection du bouton appliquer */  gtk_signal_connect ( GTK_OBJECT ( fenetre_preferences ),		       "apply",		       (GtkSignalFunc) changement_preferences,		       NULL );/* on se met sur la page demande */  gtk_notebook_set_page ( GTK_NOTEBOOK ( GNOME_PROPERTY_BOX ( fenetre_preferences ) -> notebook ),			  page_demandee );  gtk_widget_show ( fenetre_preferences );}