public static List <string> ListModWinsCards()
{
int _context = -1;
List <string> lst = new List <string>();
int retCode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref _context);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return(null);
}
if (_context == -1)
{
return(null);
}
int readerCount = 255;
Byte[] bytes = new Byte[readerCount];
retCode = ModWinsCard.SCardListReaders(_context, null, bytes, ref readerCount);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return(null);
}
try
{
string[] readerArr = System.Text.ASCIIEncoding.ASCII.GetString(bytes, 0, readerCount).Split('\0');
foreach (string readerName in readerArr)
{
if (!string.IsNullOrEmpty(readerName) && readerName.Length > 1)
{
// http://stackoverflow.com/questions/6940824/getting-pcsc-reader-serial-number-with-winscard
int readerHandle = 0;
int protocol = 0;
int ret = ModWinsCard.SCardConnect(_context, readerName, ModWinsCard.SCARD_SHARE_DIRECT, ModWinsCard.SCARD_PROTOCOL_UNDEFINED, ref readerHandle, ref protocol);
byte[] data = new byte[128];
int leng = 128;
ret = ModWinsCard.SCardGetAttrib(readerHandle, ModWinsCard.SCARD_ATTR_VENDOR_IFD_SERIAL_NO, data, ref leng);
string serialNo = System.Text.ASCIIEncoding.ASCII.GetString(data, 0, leng);
//int b = ModWinsCard.SCardFreeMemory(_context, data);
ModWinsCard.SCardDisconnect(readerHandle, ModWinsCard.SCARD_LEAVE_CARD);
lst.Add(serialNo);
}
}
}
catch
{
return(null);
}
return(lst);
}
private void GetReady()
{
int retCode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref _context);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
this._canRead = false;
return;
}
if (_context == -1)
{
this._canRead = false;
return;
}
int readerCount = 255;
Byte[] bytes = new Byte[readerCount];
retCode = ModWinsCard.SCardListReaders(_context, null, bytes, ref readerCount);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
this._canRead = false;
return;
}
try
{
string[] readerArr = System.Text.ASCIIEncoding.ASCII.GetString(bytes, 0, readerCount).Split('\0');
foreach (string readerName in readerArr)
{
GetSerialNumber(readerName, (res, b) =>
{
if (b && res == this._info.SerialNumber)
{
this._info.DeviceName = readerName;
this._canRead = true;
return;
}
});
}
}
catch
{
this._canRead = false;
return;
}
}
private void ReadingThread()
{
try
{
SCARD_READERSTATE readerState;
readerState.RdrCurrState = ModWinsCard.SCARD_STATE_UNAWARE;
readerState.RdrEventState = ModWinsCard.SCARD_STATE_UNKNOWN;
readerState.UserData = new IntPtr(0);
readerState.ATRLength = 0;
readerState.ATRValue = new byte[36];
readerState.RdrName = this._info.DeviceName;
while (true)
{
if (_canRead && _state == CardState.IsReady)
{
DateTime tmp = DateTime.Now;
if (connectTime <= tmp)
{
connectTime = tmp.AddMilliseconds(2);
try
{
int retCode = ModWinsCard.SCardGetStatusChange(_context, ModWinsCard.INFINITE, ref readerState, 1);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
readerState.RdrCurrState = ModWinsCard.SCARD_STATE_UNAWARE;
readerState.RdrEventState = ModWinsCard.SCARD_STATE_UNKNOWN;
readerState.UserData = new IntPtr(0);
readerState.ATRLength = 0;
readerState.ATRValue = new byte[36];
readerState.RdrName = this._info.DeviceName;
ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref _context);
Thread.Sleep(1000);
//ReadingCompleted(this, new GreenCardReaderEventArgs() { CardID = string.Empty, CardReader = this, ex = new Exception("Reading failed") });
continue;
}
if ((readerState.RdrEventState & ModWinsCard.SCARD_STATE_CHANGED) == ModWinsCard.SCARD_STATE_CHANGED)
{
if ((readerState.RdrEventState & ModWinsCard.SCARD_STATE_EMPTY) == ModWinsCard.SCARD_STATE_EMPTY)
{
if (TakingOffCompleted != null)
{
TakingOffCompleted(this, new GreenCardReaderEventArgs()
{
CardID = string.Empty, CardReader = this
});
}
}
else if (((readerState.RdrEventState & ModWinsCard.SCARD_STATE_PRESENT) == ModWinsCard.SCARD_STATE_PRESENT) &&
((readerState.RdrEventState & ModWinsCard.SCARD_STATE_PRESENT) != (readerState.RdrCurrState & ModWinsCard.SCARD_STATE_PRESENT)))
{
GetCardId();
//GetCardIdLisa();
}
}
readerState.RdrCurrState = readerState.RdrEventState;
}
catch (Exception ex)
{
Console.WriteLine("BUGGG: {0}", ex.Message);
this.DisConnect();
GetReady();
Thread.Sleep(1000);
this.Connect();
}
}
}
else
{
this.DisConnect();
GetReady();
Thread.Sleep(1000);
this.Connect();
}
}
}
catch (Exception exception)
{
Console.WriteLine("BUGGG: {0}", exception.Message);
this.DisConnect();
GetReady();
System.Threading.Thread.Sleep(1000);
this.Connect();
}
}