/// <summary>
/// Establishes a connection (using a specific resource manager context) between the calling application and a smart card contained by a specific reader. If no card exists in the specified reader, an error is returned.
/// </summary>
/// <param name="readerName">The name of the reader that contains the target card.</param>
/// <param name="shareMode">A flag that indicates whether other applications may form connections to the card.</param>
/// <param name="preferredProtocols">A bitmask of acceptable protocols for the connection. Possible values may be combined with the OR operation.</param>
public void Connect(string readerName, ShareModeOptions shareMode, ProtocolOptions preferredProtocols)
{
if (_hContext == IntPtr.Zero)
{
throw new SCardException("No card reader context established. Must call SCard.EstablishContext() first.");
}
if (_hCard != IntPtr.Zero)
{
throw new SCardException("Already connected to card. Must call SCard.Disconnect() first.");
}
IntPtr hCard = IntPtr.Zero;
int rtn = SCardDll.SCardConnectA(_hContext, readerName, (UInt32)shareMode, (UInt32)preferredProtocols, ref hCard, ref _protocol);
EvalReturnCode(rtn);
_hCard = hCard;
}
/// <summary>
/// Establishes a connection (using a specific resource manager context) between the calling application and a smart card contained by a specific reader. If no card exists in the specified reader, an error is returned.
/// </summary>
/// <param name="readerName">The name of the reader that contains the target card.</param>
/// <param name="shareMode">A flag that indicates whether other applications may form connections to the card.</param>
/// <param name="preferredProtocols">A bitmask of acceptable protocols for the connection. Possible values may be combined with the OR operation.</param>
public void Connect(string readerName, ShareModeOptions shareMode, ProtocolOptions preferredProtocols)
{
if (_hContext == IntPtr.Zero)
throw new SCardException("No card reader context established. Must call SCard.EstablishContext() first.");
if (_hCard != IntPtr.Zero)
throw new SCardException("Already connected to card. Must call SCard.Disconnect() first.");
IntPtr hCard = IntPtr.Zero;
int rtn = SCardDll.SCardConnectA(_hContext, readerName, (UInt32)shareMode, (UInt32)preferredProtocols, ref hCard, ref _protocol);
EvalReturnCode(rtn);
_hCard = hCard;
}