lor:navy"><b>FUNCTION</b></span> checkeditem: tcustomdatabutton; //nil if none
        <span style="color:navy"><b>PROPERTY</b></span> valuefaces: tvaluefacearrayprop <span style="color:navy"><b>READ</b></span> fvaluefaces
                                                          <span style="color:navy"><b>WRITE</b></span> setvaluefaces;
        <span style="color:navy"><b>PROPERTY</b></span> valuecaptions: tmsestringarrayprop <span style="color:navy"><b>READ</b></span> fvaluecaptions
                     