private void btn_close_bill_Click(object sender, EventArgs e)
    {
        PrinterUtility.EscPosEpsonCommands.EscPosEpson obj = new PrinterUtility.EscPosEpsonCommands.EscPosEpson();
        var byteA;
        byteA = PrintExtensions.AddBytes(byteA, Encoding.ASCII.GetBytes("Namen"));
        byteA = PrintExtensions.AddBytes(byteA, obj.CharSize.DoubleWidth4());
        byteA = PrintExtensions.AddBytes(byteA, Encoding.ASCII.GetBytes("Addressn"));
        byteA = PrintExtensions.AddBytes(byteA, obj.CharSize.DoubleWidth2());
        byteA = PrintExtensions.AddBytes(byteA, Encoding.ASCII.GetBytes("TP Numbern"));
        byteA = PrintExtensions.AddBytes(byteA, obj.CharSize.DoubleWidth2());
        PrinterUtility.PrintExtensions.Print(byteA, Foodcity_Management_System.Properties.Settings.Default.PrinterPath);

   }