public void lookup()
{
    SysTableLookup       sysTableLookup;
    Query                query;
    QueryBuildDataSource queryBuildDataSource;
    QueryBuildRange      queryBuildRange;
    itemId               itemId;
    ;
    sysTableLookup = SysTableLookup::newParameters(tableNum(SalesTable),this);  //bu form üzerinde olacağı için this
    sysTableLookup.addLookupfield(fieldNum(SalesTable,SalesId));
    sysTableLookup.addLookupfield(fieldnum(SalesTable,SalesName));
    sysTableLookup.addLookupfield(fieldnum(SalesTable,DeliveryDate));

    query = new Query();
    queryBuildDataSource = query.addDataSource(tablenum(SalesTable));
    queryBuildRange= queryBuildDataSource.addRange(fieldnum(SalesTable,SalesName));
    queryBuildRange.value('H*');
    //queryBuildRange.value(strFmt("SalesName like '%1'", queryValue("H*")));
    //queryBuildRange.value((queryValue("00004_036")));
    sysTableLookup.parmQuery(query);
    sysTableLookup.performFormLookup();

}