protected void Dispose(bool disposing)
{
int ret = SCardDisconnect(card, dispose_disposition);
if (ret != 0)
{
Console.WriteLine(SmartCardContext.ToException(ret).Message);
}
}
public int Transmit(byte[] sendBuffer, byte[] receiveBuffer)
{
SmartCardIORequest sendPci = SmartCardIORequest.T1;
SmartCardIORequest recvPci = SmartCardIORequest.T1;
uint len = (uint)receiveBuffer.Length;
IntPtr ptr = Marshal.AllocHGlobal((int)len);
try {
int ret = SCardTransmit(card, ref sendPci, sendBuffer, (uint)sendBuffer.Length, ref recvPci, ptr, ref len);
if (ret != 0)
{
throw SmartCardContext.ToException(ret);
}
//Console.Write("Transmit received {0} bytes: ", len);
Marshal.Copy(ptr, receiveBuffer, 0, (int)len);
//Console.WriteLine(BitConverter.ToString(receiveBuffer, 0, (int)len));
return((int)len);
} finally {
Marshal.FreeHGlobal(ptr);
}
}
public SmartCardState GetStatus()
{
uint readerLen = 0;
int ret = SCardGetStatus(card, IntPtr.Zero, ref readerLen, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (ret != 0)
{
throw SmartCardContext.ToException(ret);
}
IntPtr readerPtr = Marshal.AllocHGlobal((int)readerLen);
SmartCardState state;
SmartCardProtocols protocol;
uint atrLen = 0;
ret = SCardGetStatus(card, readerPtr, ref readerLen, out state, out protocol, IntPtr.Zero, out atrLen);
if (ret != 0)
{
throw SmartCardContext.ToException(ret);
}
return(state);
}