我有 T-20 Espon 打印机,我是初学者,我想打印Hello printer
字符串(没有任何效果,我才刚刚开始,所以我只想打印一些东西),我从该代码开始:
PosExplorer explorer = null;
DeviceInfo _device;
PosPrinter _oposPrinter;
explorer = new PosExplorer();
_device = explorer.GetDevice(DeviceType.PosPrinter);
_oposPrinter = (PosPrinter) explorer.CreateInstance(_device);
_oposPrinter.Open();
_oposPrinter = (PosPrinter) explorer.CreateInstance(_device);
_oposPrinter.Open();
_oposPrinter.Claim(10000);
_oposPrinter.DeviceEnabled = true;
//normal print
_oposPrinter.PrintNormal(PrinterStation.Receipt, "Hello world");
但是当我执行代码时,我会弹出这个: