public void Connect(int position)
{
if (hContext.CheckValidity() != PCSC.SCardError.Success)
{
init();
}
// Create a reader object using the existing context
reader = new SCardReader(hContext);
// Connect to the card
SCardError err = reader.Connect(szReaders[position],
SCardShareMode.Shared,
SCardProtocol.T0 | SCardProtocol.T1);
CheckErr(err);
switch (reader.ActiveProtocol)
{
case SCardProtocol.T0:
pioSendPci = SCardPCI.T0;
break;
case SCardProtocol.T1:
pioSendPci = SCardPCI.T1;
break;
default:
throw new PCSCException(SCardError.ProtocolMismatch,
"Protocol not supported: "
+ reader.ActiveProtocol.ToString());
}
}
public static bool EnsureOK(this SCardContext context, bool throwException = true)
{
if (context.IsValid())
{
return(true);
}
return(context.CheckValidity().EnsureOK(throwException, "Unable to establish a valid PC/SC context"));
}