X++ code to print sales invoice on printer directly

Below is the X++ code to print sales invoice on printer directly.

  Args          salesArgs = new Args();  
   SalesInvoiceContract  salesInvoiceContract;  
   SalesInvoiceController controller;  
   SrsReportRunImpl    srsReportRunImpl;  
   str fileName;  
   CustInvoiceJour     custInvoiceJour;// = _args.record();  
     select custInvoiceJour where custInvoiceJour.InvoiceId=="INV_00000009";  
   salesArgs.record(custInvoiceJour);  
   controller       = new SrsReportRunController();  
   salesInvoiceContract  = new SalesInvoiceContract();  
   controller.parmReportName(ssrsReportStr(SalesInvoice,Report));  
   controller.parmShowDialog(false);  
   controller.parmReportContract().parmPrintSettings().printMediumType(SRSPrintMediumType::Printer);  
   // controller.parmReportContract().parmPrintSettings().printerName(@"\\espprn03\Follow Me - MFP");  
   salesInvoiceContract.parmRecordId(custInvoiceJour.RecId); // Record id must be passed otherwise the report will be empty  
   salesInvoiceContract.parmCountryRegionISOCode(SysCountryRegionCode::countryInfo()); // comment this code if tested in pre release  
   controller.parmReportContract().parmRdpContract(salesInvoiceContract);  
   controller.startOperation();