c#调用热敏打印机自带程序和调用ESC指令打印条形码，经过测试，可直接使用！-c# call thermal printer comes with the program and call the ESC instruction to print bar codes

c#调用通用热敏打印机POSDLL.dll的后台打印服务。 作用： 主要是省些去重写C#调用POSDLL.dll的方法。 还有就是了解后台打印的业务流程，对初学者，有很大的帮助-c# call POSDLL.dll common thermal printer spooler service. Role: mainly to rewrite some C# method calls POSDLL.dll province. There is spooling understand b