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 GetSerialNumber(string ModWinsDeviceName, Action <string, bool> complete)
{
if (!string.IsNullOrEmpty(ModWinsDeviceName) && ModWinsDeviceName.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, ModWinsDeviceName, 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);
if (complete != null)
{
if (ret != ModWinsCard.SCARD_S_SUCCESS)
{
complete(string.Empty, false);
}
else
{
complete(serialNo, true);
}
}
}
else
{
complete(string.Empty, false);
}
}
