s;
        <span style="color:navy"><b>FUNCTION</b></span> griddata: tgridrealdatalist;
        <span style="color:navy"><b>PROPERTY</b></span> value: realty <span style="color:navy"><b>READ</b></span> fvalue <span style="color:navy"><b>WRITE</b></span> setvalue;
        <span style="color:navy"><b>PROPERTY</b></span> direction: graphicdirectionty <span style="color:navy"><b>READ</b></span> fdirection <span style="color:navy"><b>WRITE</b></span> setdirection
                                                 