retornar todos os componentes do Form

    public static void limpaTodosOsCampos(JPanel panel) {
        Component components[] = panel.getComponents();
        for (Component component : components) {
            if (component instanceof JTextField) {
                ((JTextField) component).setText("");
            }
        }
    }

        public static void limpaTodosCampos(Form oForm) {
            Control[] components = oForm.OwnedForms;
            for (int x = 0; x < components.Length; x++) {                
                //
            }
        }