Adds the '''CField''' pointed by '''field''' to the Fields of the Dialog; by appending the value of the field pointer after the last added '''field'' in the _fld array , setting the corresponding _dyn element to the value of dynamic argument and then increasing _fnum by one and returning it.<br />'''important note:<br />Make sure that add() sets the container of the added CField to this CDialog object, using the container() method of CField'''