/* Returns the connection to the zebra printer after finding it through the Usb Discoverer */
public static Connection FindConnection()
{
Debug.WriteLine("START: FindConnection()");
//Finds all the USB connected Zebra printer drivers
List <DiscoveredPrinterDriver> discoveredPrinterDrivers = UsbDiscoverer.GetZebraDriverPrinters();
if (discoveredPrinterDrivers == null)
{
Debug.WriteLine("Error: No USB printers detected");
return(null);
}
if (discoveredPrinterDrivers.Count == 0)
{
return(null);
}
//Gets the instance to the Zebra Printer driver
DiscoveredPrinterDriver printerDriver = discoveredPrinterDrivers[0];
Debug.WriteLine(printerDriver);
Debug.WriteLine("END: FindConnection()");
//Get the connection to the printer driver
return(printerDriver.GetConnection());
}
public override ConnectionA GetConnection()
{
DiscoveredPrinterDriver driverPrinter = null;
List <DiscoveredPrinterDriver> printers = UsbDiscoverer.GetZebraDriverPrinters();
if (printers == null || printers.Count <= 0)
{
//MessageBox.Show("没有检测到打印机，请检查打印机是否开启！");
myEventLog.LogInfo("没有检测到打印机，请检查打印机是否开启！");
return(null);
}
driverPrinter = printers[0];
var connection = new DriverPrinterConnection(driverPrinter.Address);
connection.Open();
try
{
ZebraPrinterFactory.GetInstance(connection);
}
catch (Exception ex)
{
}
try
{
ZebraPrinterFactory.GetLinkOsPrinter(connection);
}
catch (Exception ex)
{
}
return(connection);
}
