d
        <span style="color:navy"><b>FUNCTION</b></span> gridcol: integer;
        <span style="color:navy"><b>FUNCTION</b></span> griddata: tdatalist;
        
        <span style="color:navy"><b>FUNCTION</b></span> checkvalue (const quiet: boolean = false): boolean <span style="color:teal"><b>VIRTUAL</b></span> <span style="color:teal"><b>ABSTRACT</b></span>;
        <span style="color:navy"><b>FUNCTION</b></span> seteditfocus: boolean;
        
        <span style="color:navy"><b>PROPERTY</b></span> obj