public void PrinterOnline(ZebraCardPrinter zebraCardPrinter, string firmwareVersion)
{
Connection newConnection = null;
try {
DiscoveredPrinter newPrinter = null;
newConnection = zebraCardPrinter.Connection;
newConnection.Open();
Dictionary <string, string> discoveryData = DiscoveryUtilCard.GetDiscoveryDataMap(newConnection);
if (oldPrinter is DiscoveredUsbPrinter)
{
newPrinter = new DiscoveredUsbPrinter((newConnection as UsbConnection).SimpleConnectionName, discoveryData);
}
else if (oldPrinter is DiscoveredCardPrinterNetwork)
{
newPrinter = new DiscoveredCardPrinterNetwork(discoveryData);
}
else
{
throw new ArgumentException("Not a reconnectable printer type");
}
ReconnectionFinished(newPrinter);
} catch (Exception e) {
MessageBoxHelper.ShowError("Could not reconnect to printer: " + e.Message);
} finally {
ConnectionHelper.CleanUpQuietly(zebraCardPrinter, newConnection);
}
}
/*
* Connect to a printer using the Zebra API
*/
private void ConnectToPrinter()
{
DiscoveredUsbPrinter discoveredPrinter = UsbDiscoverer.GetZebraUsbPrinters(new ZebraPrinterFilter())[0];
Connection connection = discoveredPrinter.GetConnection();
connection.Open();
printer = ZebraPrinterFactory.GetInstance(connection);
ConnectionLabel.Text = "Printer Connected!";
}
public void Connect()
{
usbPrinter = UsbDiscoverer.GetZebraUsbPrinters(new ZebraPrinterFilter()).FirstOrDefault();
if (usbPrinter == null)
{
throw new ArgumentException("Принтер не найден!");
}
connection = usbPrinter.GetConnection();
Connected = true;
}
private void commandPrint()
{
UsbConnection connection = null;
try
{
DiscoveredUsbPrinter usbPrinter = null;
List <DiscoveredUsbPrinter> printers = UsbDiscoverer.GetZebraUsbPrinters(new ZebraPrinterFilter());
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;
}
usbPrinter = printers[0];
connection = new UsbConnection(usbPrinter.Address);
connection.Open();
var printer = ZebraPrinterFactory.GetInstance(connection);
//printer.SendCommand("~JA");
var startTime = DateTime.Now;
var command = GetCommandFromDb();
Console.WriteLine($"生成打印命令花费时间：{(DateTime.Now - startTime).TotalMilliseconds}ms");
System.Console.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff"));
startTime = DateTime.Now;
for (int i = 0; i < 20; i++)
{
printer.SendCommand(command);
Console.WriteLine($"打印内容发送成功！花费时间：{(DateTime.Now - startTime).TotalMilliseconds}ms");
Thread.Sleep(200);
startTime = DateTime.Now;
}
//System.Console.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff"));
//printer.SendCommand(command);
//Console.WriteLine($"打印内容发送成功！花费时间：{(DateTime.Now - startTime).TotalMilliseconds}ms");
//Thread.Sleep(5000);
//printer.SendCommand("~JA");
}
catch (Exception e)
{
connection.Close();
}
}
public override ConnectionA GetConnection()
{
DiscoveredUsbPrinter usbPrinter = null;
List <DiscoveredUsbPrinter> printers = UsbDiscoverer.GetZebraUsbPrinters(new ZebraPrinterFilter());
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);
}
usbPrinter = printers[0];
return(new UsbConnection(usbPrinter.Address));
}
