How to print Receipt Directly on thermal printer

I just want to share a very Easy and Simple method to directly print the bill on thermal printer below code is mentioned.

Reporting.CrystalReport.genBBill myreport = new Reporting.CrystalReport.genBBill();

myreport.SetDataSource(gBB);

myreport.SetParameterValue("grandTotal", gTotal.ToString());

crystalReportViewer1.ReportSource = myreport;

//only this code is required for printing on thermal printer

CrystalDecisions.Shared.PageMargins objPageMargins;

objPageMargins = myreport.PrintOptions.PageMargins;

objPageMargins.bottomMargin = 100;

objPageMargins.leftMargin = 100;

objPageMargins.rightMargin = 100;

objPageMargins.topMargin = 100;

myreport.PrintOptions.ApplyPageMargins(objPageMargins);

myreport.PrintOptions.PrinterName = "";

myreport.PrintToPrinter(2, false, 0, 0);

Please let me know if you have any Question

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