public String[] ReadMagCard(int timeout)
{
bool error = true;
try
{
ThePrinterConn.Open();
printer = ZebraPrinterFactory.GetInstance(ThePrinterConn);
mcr = printer.GetMagCardReader();
PrinterStatus printerStatus = printer.GetCurrentStatus();
bool ready = printerStatus.IsReadyToPrint;
if (ready == false)
{
return(null);
}
//MagCardReader mcr = printer.GetMagCardReader();
if (mcr != null)
{
//read
String[] tracks = mcr.Read(timeout);
if (tracks[0] != "" || tracks[1] != "" || tracks[2] != "")
{
ready = printerStatus.IsReadyToPrint;
if (ready)
{
String header = "! 0 200 200 0 1";
ThePrinterConn.Write(Encoding.UTF8.GetBytes(header + "\r\nBEEP 1\r\nPRINT\r\n"));
}
}
//SystemSounds.Beep.Play();
return(tracks);
}
//thePrinterConn.Close();
error = false;
}
catch (Exception e)
{
Logger.Logger.Log(e);
error = true;
}
if (error)
{
return(null);
}
else
{
return(new String[3] {
"", "", ""
});
}
}
private void ReadMagCard()
{
Connection connection = null;
Task t = Task.Run(() => {
try {
connection = connectionSelector.GetConnection();
connection.Open();
ZebraPrinter printer = ZebraPrinterFactory.GetInstance(connection);
MagCardReader magCardReader = MagCardReaderFactory.Create(printer);
if (magCardReader != null)
{
UpdateMagCardOutput("");
SetButtonText("Swipe Card Now");
string[] trackData = magCardReader.Read(30000);
if (trackData[0].Equals("") && trackData[1].Equals("") && trackData[2].Equals(""))
{
MessageBoxCreator.ShowError("Connection timed out", "Mag Card Error");
}
else
{
UpdateMagCardOutput(trackData[0] + "\r\n" + trackData[1] + "\r\n" + trackData[2]);
}
}
else
{
MessageBoxCreator.ShowError("Printer does not have a mag card reader", "Mag Card Error");
}
} catch (ConnectionException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} catch (ZebraPrinterLanguageUnknownException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} finally {
if (connection != null)
{
try {
connection.Close();
} catch (ConnectionException) { }
}
SetButtonText("Read Mag Card");
SetButtonState(true);
}
});
}
/**
* Thread for reading magnetic card swiped through printer
* **/
private void doReadMagCard()
{
updateGuiFromWorkerThread("Waiting for swipe...", Color.Gold);
if (printer != null)
{
MagCardReader mcr = printer.GetMagCardReader();
if (mcr != null)
{
String[] tracks = mcr.Read(10 * 1000);
updateGuiTracks(tracks);
updateGuiFromWorkerThread("Done", Color.Blue);
}
else
{
updateGuiFromWorkerThread("Failed to swipe", Color.Red);
}
}
else
{
updateGuiFromWorkerThread("Connection error", Color.Red);
}
updateButtonFromWorkerThread(true);
}
