0

以下是 Micrsoft.PointOfService 打印机的 ESC 代码：

  string escAlignCenter = String.Format("{0}|cA", ((char)27));
  string escAlignRight = String.Format("{0}|rA", ((char)27));
  string escBoldOn = String.Format("{0}|bC", ((char)27));
  string escNewLine = String.Format("{0}|1lF", ((char)27));
  string escPaperCut = String.Format("{0}{1}|P", ((char)27), AppSettings.POSPrinterLinesToCut);
  string escReset = String.Format("{0}|N", ((char)27));
  string escUnderlineOn = String.Format("{0}|uC", ((char)27));

这段代码

simulatedReceipt.AppendLine(string.Format("{0}{1}Header will appear Here{2}",  escBoldOn, escAlignCenter, escReset));

当发送到模拟器打印机时

 textToPrint = simulatedReceipt.ToString();
 posPrinter.PrintNormal(PrinterStation.Receipt, textToPrint);

结果是：

  System.FormatException occurred
  HResult=-2146233033
  Message=Input string was not in a correct format.
  Source=mscorlib
  StackTrace:
       at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
       at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
 at Microsoft.PointOfService.DeviceSimulators.PosPrinterSimulatorWindow.ProcessEscapes(String str)
       at Microsoft.PointOfService.DeviceSimulators.PosPrinterSimulatorWindow.DisplayText(String str)
       at Microsoft.PointOfService.DeviceSimulators.PosPrinterSimulator.PrintNormalImpl(PrinterStation station, PrinterState printerState, String data)
       at Microsoft.PointOfService.BaseServiceObjects.PosPrinterBase.OutputRequestHandler(OutputRequest Request)
       at Microsoft.PointOfService.Internal.PosCommonInternal.ProcessOutputRequest(OutputRequest request, Boolean asyncOperation)
       at MyCourts.PrintReceiptManager.printToPOSPrinter() in e:\MyCourts\MyCourts\Managers\PrintReceiptManager.cs:line 558
  InnerException:

不幸的是，我没有合适的收据打印机来测试它，但我怀疑这个错误只发生在内置的热敏打印机模拟器上。

谁能证实我的怀疑。

4

1 回答 1

0

在检查 SDK 示例后，很明显控制代码在发送到模拟器之前已被删除，因此模拟器似乎不会模拟 BOLD 等。

于 2016-05-08T00:36:16.983 回答