public EntityResponse <UserLoginInformation> UserLogin(LoginAccountType accountType, string accountId, string password, PasswordUseScope useScope) { List <SZKingdomArgument> arguments = new List <SZKingdomArgument>(); arguments.Add(SZKingdomArgument.LoginAccountType(accountType)); arguments.Add(SZKingdomArgument.LoginAccountId(accountId)); arguments.Add(SZKingdomArgument.PasswordUseScpose(useScope)); arguments.Add(SZKingdomArgument.AuthenticationData(_marketDataLibrary.EncryptPassword(accountId, password))); arguments.Add(SZKingdomArgument.EncryptionKey(accountId)); arguments.Add(SZKingdomArgument.EncryptionType(EncryptionType.WinEncryption)); arguments.Add(SZKingdomArgument.AuthenticationType(AuthenticationType.Password)); // password(0) is the only AUTH_TYPE EntityResponse <List <UserLoginInformation> > results = _marketDataLibrary.ExecuteCommandList <UserLoginInformation>(SZKingdomRequest.UserLogin, arguments); if (results.IsSuccess) { if (results.Entity.Count >= 1) { UserLoginInformation result = results.Entity.First(); //.Single(u => u.StockBoard == StockBoard.SHStockOptions); return(result); } return(EntityResponse <UserLoginInformation> .Error(ErrorCode.AuthenticationIncorrectIdentity, string.Format(ErrorMessages.SZKingdom_Invalid_Account, accountId))); } return(EntityResponse <UserLoginInformation> .Error(results)); }