成员的完整列表，这些成员属于 CThostFtdcAuthenticationInfoField,包括所有继承而来的类成员

AuthInfo	CThostFtdcAuthenticationInfoField
BrokerID	CThostFtdcAuthenticationInfoField
IsResult	CThostFtdcAuthenticationInfoField
UserID	CThostFtdcAuthenticationInfoField
UserProductInfo	CThostFtdcAuthenticationInfoField