add: gtk_widget_set_sensitive ( widget_formulaire_ventilation[2], TRUE );
context: void echap_formulaire_ventilation ( void ){  /* on met les styles des entres au gris */  gtk_widget_set_style ( GTK_COMBOFIX ( widget_formulaire_ventilation[0] )->entry,			 style_entree_formulaire[1] );  gtk_widget_set_style ( widget_formulaire_ventilation[1],			 style_entree_formulaire[1] );  gtk_widget_set_style ( widget_formulaire_ventilation[2],			 style_entree_formulaire[1] );  gtk_widget_set_style ( GTK_COMBOFIX ( widget_formulaire_ventilation[3] )->entry,			 style_entree_formulaire[1] );  gtk_widget_set_style ( widget_formulaire_ventilation[5],			 style_entree_formulaire[1] );  gtk_combofix_set_text ( GTK_COMBOFIX ( widget_formulaire_ventilation[0] ),			  "Catgories : Sous-catgories" );  gtk_entry_set_text ( GTK_ENTRY ( widget_formulaire_ventilation[1]),		       "Description" );  gtk_entry_set_text ( GTK_ENTRY ( widget_formulaire_ventilation[2]),		       "Montant" );  gtk_combofix_set_text ( GTK_COMBOFIX ( widget_formulaire_ventilation[3] ),			  "Imputation budgtaire" );  gtk_entry_set_text ( GTK_ENTRY ( widget_formulaire_ventilation[5]),		       "Pice comptable" );  gtk_option_menu_set_history ( GTK_OPTION_MENU ( widget_formulaire_ventilation[4] ),				0 );  gtk_widget_set_sensitive ( GTK_WIDGET ( widget_formulaire_ventilation[4] ),			     FALSE );  gtk_widget_set_sensitive ( GTK_WIDGET ( hbox_valider_annuler_ventil ),			     FALSE );/*   met l'adr de l'op dans le formulaire  -1 */  gtk_object_set_data ( GTK_OBJECT ( widget_formulaire_ventilation[0] ),			"adr_struct_ope",			GINT_TO_POINTER ( -1 ) );  gtk_widget_grab_focus ( liste_operations_ventilees );}