How to using x++ code to printing PDF format [AX2012]

public class THK_MinutesTableController extends SrsReportRunController
{
}
----------------------------------------------------------------------
static void main(Args _args)
{
    THK_MinutesTableController controller;
    THK_MinutesTableContract   contract;
;
    controller = new THK_MinutesTableController();
    controller.parmReportName("THK_MinutesTable.Design");
    controller.parmDialogCaption("@THK422");
    controller.parmArgs(_args);
    controller.setRange(_args, controller.parmReportContract().parmQueryContracts().lookup(controller.getFirstQueryContractKey()));
    contract = controller.parmReportContract().parmRdpContract() as THK_MinutesTableContract;
    if (controller.prompt())
    {
        if (contract.parmExportPDF())
        {
            controller.parmReportContract().parmPrintSettings().printMediumType(SRSPrintMediumType::File);
            controller.parmReportContract().parmPrintSettings().overwriteFile(true);
            controller.parmReportContract().parmPrintSettings().fileFormat(SRSReportFileFormat::PDF);
            controller.parmReportContract().parmPrintSettings().fileName(controller.getFileNameSave());
            controller.run();
        }
        else
        {
            controller.parmReportContract().parmPrintSettings().printMediumType(SRSPrintMediumType::Screen);
            controller.run();
        }
    }
}
------------------------
public FilenameSave getFileNameSave()
{
    FilenameSave                fileNameSave;
    str                         directory;
    str                         filename;
    str dateTime2Str2(utcDateTime _dateTime)
    {
        utcDateTime     dateTime;
        ;
        dateTime = DateTimeUtil::applyTimeZoneOffset(_dateTime, DateTimeUtil::getCompanyTimeZone());
        return (strFmt("%1%2%3%4%5%6", DateTimeUtil::year(dateTime),
                                       DateTimeUtil::month(dateTime),
                                       DateTimeUtil::day(dateTime),
                                       DateTimeUtil::hour(dateTime),
                                       DateTimeUtil::minute(dateTime),
                                       DateTimeUtil::second(dateTime)));
    }
    ;
    directory = EcoResProductParameters::find().THK_TendorReportExportPath;
    filename = strFmt("%1_%2.pdf", "TenderMinutes", dateTime2Str2(DateTimeUtil::utcNow()));
    return (strFmt("%1\\%2", directory, filename));
}