/// <summary>
/// Creates a connect at the use scope requested
/// </summary>
/// <param name="Scope">the scope to use (often System)</param>
public WinSmartCardContext(OperationScopes Scope, string ConnectedReaderName)
{
LastResultCode = WinSCard.SCardEstablishContext(Scope, ref _Context);
if (LastResultCode != ErrorCodes.SCARD_S_SUCCESS)
{
throw new WinSCardException(LastResultCode);
}
this.ConnectedReaderName = ConnectedReaderName;
}
//(SCARDHANDLE hCard, DWORD dwAttrId, LPBYTE pbAttr, LPDWORD pcbAttrLen);
/// <summary>
/// C# Friendly quick wrapper Addtional wrapping can found at WinSmartCard and Win SmardCardContext
/// </summary>
/// <param name="Scope">Scope</param>
/// <param name="Context">Context</param>
/// <returns>The Error Code</returns>
internal static ErrorCodes SCardEstablishContext(OperationScopes Scope, ref int Context)
{
return((ErrorCodes)SCardEstablishContextImport((int)Scope, 0, 0, ref Context));
}
/// <summary>
/// Transmits a buffer as a command for the ADPU command formate mostly used by the ACR122
/// </summary>
/// <param name="SendCommand"></param>
/// <param name="ReceivedResponse"></param>
/// <param name="Protocol"></param>
/// <returns></returns>
public ErrorCodes Control(byte[] SendCommand, out byte[] ReceivedResponse, out bool HasCard, OperationScopes Scope = OperationScopes.SCARD_SCOPE_SYSTEM, SmartCardProtocols Protocol = SmartCardProtocols.SCARD_PROTOCOL_UNDEFINED)
{
if (Disposed)
{
throw new ObjectDisposedException("WinSmartCardContext");
}
int TempCard = 0;
int AProtocol = 0;
uint IOTL = (uint)IOTLOperations.IOCTL_SMARTCARD_DIRECT; // 3225264;
ReceivedResponse = new byte[256];
int outBytes = ReceivedResponse.Length;
if (Card == null)
{
if (LastResultCode != ErrorCodes.SCARD_S_SUCCESS)
{
throw new WinSCardException(LastResultCode, WinSCard.GetScardErrMsg(LastResultCode) + "\nError perceived durring Context Establish");
}
LastResultCode = WinSCard.SCardConnect(_Context, ConnectedReaderName, SmartCardShareTypes.SCARD_SHARE_DIRECT, 0, ref TempCard, ref AProtocol);
if (LastResultCode != ErrorCodes.SCARD_S_SUCCESS)
{
throw new WinSCardException(LastResultCode, WinSCard.GetScardErrMsg(LastResultCode) + "\nError perceived durring Connect");
}
LastResultCode = WinSCard.SCardControl(TempCard, IOTL, SendCommand, ref ReceivedResponse, ref outBytes);
if (LastResultCode != ErrorCodes.SCARD_S_SUCCESS)
{
throw new WinSCardException(LastResultCode, WinSCard.GetScardErrMsg(LastResultCode) + "\nError perceived durring Control");
}
LastResultCode = WinSCard.SCardDisconnect(TempCard, SmartCardDispostion.SCARD_RESET_CARD);
if (LastResultCode != ErrorCodes.SCARD_S_SUCCESS)
{
throw new WinSCardException(LastResultCode, WinSCard.GetScardErrMsg(LastResultCode) + "\nError perceived durring Card Release");
}
Array.Resize(ref ReceivedResponse, outBytes);
HasCard = false;
}
else
{
Card.Control(SendCommand, out ReceivedResponse, Scope, Protocol);
HasCard = true;
}
//3136B0
return(LastResultCode);
}