ScardConnect函数(winscard.dll)在Wcf中的使用

Question

我正在尝试使用我的WCF项目中winscard.dll的连接功能连接到智能卡。Wcf服务正在与安装在windows server 8.1上的远程计算机一起发布

ScardConnect函数返回值为6。

public int Connect()
                {
                    int returnCode = -2;
                    string[] tempStr = new string[3];

                    returnCode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER,
 0, 0, ref hContext);

                    if (returnCode == ModWinsCard.SCARD_S_SUCCESS)
                    {
                        returnCode = ModWinsCard.SCardConnect(hContext, "ACS ACR1281 1S Dual Reader PICC 0", ModWinsCard.SCARD_SHARE_SHARED, ModWinsCard.SCARD_PROTOCOL_T0 | ModWinsCard.SCARD_PROTOCOL_T1, ref hCard, ref pdwActiveProtocol);

                        if (returnCode == ModWinsCard.SCARD_S_SUCCESS)
                            return 1;
                        else
                            return returnCode;
                    }
                    else
                        return returnCode;
                }


  Interface (IService1)

OperationContract int Connect(int hContext，string szReaderName，ref int phCard，ref int ActiveProtocol)；

ScardConnect函数

[DllImport("winscard.dll")]
    public static extern int SCardConnect(int hContext, string szReaderName, int dwShareMode, int dwPrefProtocol, ref int phCard, ref int ActiveProtocol);

返回代码'6‘是什么意思。

注意: Wcf项目生成操作: x86客户端项目生成操作: x86

Answer 1

检查"hContext“的值。我建议您首先调用SCardListReaders函数来获取确切的reader.So名称。