Building query AND using query object in X++

// Code using X++ to build the query
Query                   query;
QueryRun                queryRun;
QueryBuildDataSource    qbds;
ProjTable               ProjTable;
;

query    = new Query();
// Add a datasource to the query
qbds     = query.addDataSource(tableNum(ProjTable));
// Add a range to the newly added datasource.
qbds.addRange(fieldNum(ProjTable, ProjId)).value("00403_1036..00412_1036");

queryRun = new QueryRun(query);

while(queryRun.next())
{
   projTable  =   queryRun.get(tableNum(ProjTable));
   info(projTable.ProjId + ", " + ProjTable.Name);
}

// Code using a query string
static void UseAOTQuery(Args _args)
{
    Query                           query;
    QueryRun                        queryRun;
    QueryBuildDataSource            qbds;
    QueryBuildRange                 qbr;      
ProjTable                     projTable;   

    query = new query(queryStr(ProjTable));
    queryRun = new QueryRun(query);

    while (queryRun.next())
    {
        projTable= queryRun.get(tableNum(ProjTable));

        info (strFmt("%1 - %2", ProjTable.ProjId, ProjTable.Name));
    }   
}