Joshi.Utils.Imap.Imap.Login C# (CSharp) Method

        public void Login(string sHost, ushort nPort, string sUserId, string sPassword, bool sslEnabled=false )
        {
            ImapResponseEnum eImapResponse = ImapResponseEnum.IMAP_SUCCESS_RESPONSE;
            ImapException e_login   = new ImapException (ImapException.ImapErrorEnum.IMAP_ERR_LOGIN, m_sUserId);
            ImapException e_invalidparam = new ImapException(ImapException.ImapErrorEnum.IMAP_ERR_INVALIDPARAM);

            if (sHost.Length == 0)
            {
                Log (LogTypeEnum.ERROR, "Invalid m_sHost name");
                throw e_invalidparam;
            }

            if (sUserId.Length == 0)
            {
                Log (LogTypeEnum.ERROR, "Invalid m_sUserId");
                throw e_invalidparam;
            }

            if (sPassword.Length == 0)
            {
                Log (LogTypeEnum.ERROR, "Invalid Password");
                throw e_invalidparam;
            }
            if (m_bIsConnected)
            {
                if (m_bIsLoggedIn)
                {
                    if (m_sHost == sHost && m_nPort == nPort)
                    {
                        if (m_sUserId == sUserId &&
                            m_sPassword == sPassword )
                        {
                            Log (LogTypeEnum.INFO, "Connected and Logged in already");
                            return;
                        }
                        else
                            LogOut();
                    }
                    else Disconnect();
                }
            }

            m_bIsConnected = false;
            m_bIsLoggedIn = false;

            try
            {
                eImapResponse = Connect(sHost, nPort, sslEnabled);
                if (eImapResponse == ImapResponseEnum.IMAP_SUCCESS_RESPONSE)
                {
                    m_bIsConnected = true;
                }
                else return;
            }
            catch (Exception e)
            {
                throw e;
            }

            ArrayList asResultArray = new ArrayList();
            string sCommand = IMAP_LOGIN_COMMAND;
            sCommand += " " + sUserId + " " + sPassword;
            sCommand += IMAP_COMMAND_EOL;
            try
            {
                eImapResponse = SendAndReceive(sCommand, ref asResultArray);
                if (eImapResponse == ImapResponseEnum.IMAP_SUCCESS_RESPONSE)
                {
                    m_bIsLoggedIn = true;
                    m_sUserId = sUserId;
                    m_sPassword = sPassword;
                }
                else throw e_login;

            }
            catch (Exception e)
            {
                throw e;
            }
        }

 public MyImapWrapper(string imapHost, ushort imapPort, string imapUser, string imapPassword)
 {
     _imapContext = new Imap();
     try
     {
         _imapContext.Login(imapHost, imapPort, imapUser, imapPassword, true);
     }
     catch (Exception)
     {
         //TODO: Implement login exception
         throw;
     }
 }