public Reader()
{
int result = 0;
result = WinSCard.SCardEstablishContext(WinSCard.Scope.SCARD_SCOCPE_SYSTEM, IntPtr.Zero, IntPtr.Zero, out context);
if (result != WinSCard.SCARD_S_SUCCESS)
{
Debug.WriteLine(WinSCard.SCardErrorMessage(result));
}
byte[] readers = null;
uint readerCount = 0;
result = WinSCard.SCardListReaders(context, null, readers, ref readerCount);
readers = new byte[readerCount];
result = WinSCard.SCardListReaders(context, null, readers, ref readerCount);
availableReaders = new MultiString(readers);
if (result != WinSCard.SCARD_S_SUCCESS)
{
Debug.WriteLine(WinSCard.SCardErrorMessage(result));
}
//Start a background worker thread which monitors available card readers.
if ((availableReaders.Count > 0))
{
readerStates = new WinSCard.SCARD_READERSTATE[availableReaders.Count];
for (int i = 0; i < readerStates.Length; i++)
{
readerStates[i].szReader = availableReaders.ToArray()[i];
}
monitorThread = new BackgroundWorker();
monitorThread.WorkerSupportsCancellation = true;
monitorThread.DoWork += WaitChangeStatus;
monitorThread.RunWorkerAsync();
}
}
public SmartCardException(int result)
: base(WinSCard.SCardErrorMessage(result))
{
Result = result;
}
