static void Main(string[] args)
        {
            O2GSession session = null;
            IPriceHistoryCommunicator communicator   = null;
            SessionStatusListener     statusListener = null;
            bool loggedIn = false;

            try
            {
                LoginParams  loginParams  = new LoginParams(ConfigurationManager.AppSettings);
                SampleParams sampleParams = new SampleParams(ConfigurationManager.AppSettings);

                PrintSampleParams("RemoveQuotes", loginParams, sampleParams);

                // use the application module path as a base path for quotes storage
                string storagePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "History");

                // create the ForexConnect trading session
                session        = O2GTransport.createSession();
                statusListener = new SessionStatusListener(session, loginParams.SessionID, loginParams.Pin);
                // subscribe IO2GSessionStatus interface implementation for the status events
                session.subscribeSessionStatus(statusListener);
                statusListener.Reset();

                // create an instance of IPriceHistoryCommunicator
                communicator = PriceHistoryCommunicatorFactory.createCommunicator(session, storagePath);

                // log in to ForexConnect
                session.login(loginParams.Login, loginParams.Password, loginParams.URL, loginParams.Connection);
                if (statusListener.WaitEvents() && statusListener.Connected)
                {
                    loggedIn = true;

                    CommunicatorStatusListener communicatorStatusListener = new CommunicatorStatusListener();
                    communicator.addStatusListener(communicatorStatusListener);

                    // wait until the communicator signals that it is ready
                    if (communicator.isReady() ||
                        (communicatorStatusListener.WaitEvents() && communicatorStatusListener.Ready))
                    {
                        // set open price candles mode, it must be called after login
                        QuotesManager quotesManager = communicator.getQuotesManager();

                        RemoveQuotes(quotesManager, sampleParams);
                        Console.WriteLine();
                        ShowLocalQuotes(quotesManager);
                    }
                    communicator.removeStatusListener(communicatorStatusListener);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception: {0}", e.ToString());
            }
            finally
            {
                if (communicator != null)
                {
                    communicator.Dispose();
                }
                if (session != null)
                {
                    try
                    {
                        statusListener.Reset();
                        session.logout();
                        statusListener.WaitEvents();
                    }
                    catch (Exception ee)
                    {
                    }

                    session.unsubscribeSessionStatus(statusListener);
                    session.Dispose();
                }
            }
        }
        static void Main(string[] args)
        {
            O2GSession session = null;
            IPriceHistoryCommunicator communicator   = null;
            SessionStatusListener     statusListener = null;

            try
            {
                Console.WriteLine("RemoveQuotes sample\n");

                ArgumentParser argParser = new ArgumentParser(args, "RemoveQuotes");

                argParser.AddArguments(ParserArgument.Login,
                                       ParserArgument.Password,
                                       ParserArgument.Url,
                                       ParserArgument.Connection,
                                       ParserArgument.SessionID,
                                       ParserArgument.Pin,
                                       ParserArgument.Instrument,
                                       ParserArgument.Year);

                argParser.ParseArguments();

                if (!argParser.AreArgumentsValid)
                {
                    argParser.PrintUsage();
                    return;
                }

                LoginParams  loginParams  = argParser.LoginParams;
                SampleParams sampleParams = argParser.SampleParams;

                // use the application module path as a base path for quotes storage
                string storagePath = System.IO.Path.Combine(AppContext.BaseDirectory, "History");

                // create the ForexConnect trading session
                session        = O2GTransport.createSession();
                statusListener = new SessionStatusListener(session, loginParams.SessionID, loginParams.Pin);
                // subscribe IO2GSessionStatus interface implementation for the status events
                session.subscribeSessionStatus(statusListener);
                statusListener.Reset();

                // create an instance of IPriceHistoryCommunicator
                communicator = PriceHistoryCommunicatorFactory.createCommunicator(session, storagePath);

                // log in to ForexConnect
                session.login(loginParams.Login, loginParams.Password, loginParams.URL, loginParams.Connection);
                if (statusListener.WaitEvents() && statusListener.Connected)
                {
                    CommunicatorStatusListener communicatorStatusListener = new CommunicatorStatusListener();
                    communicator.addStatusListener(communicatorStatusListener);

                    // wait until the communicator signals that it is ready
                    if (communicator.isReady() ||
                        (communicatorStatusListener.WaitEvents() && communicatorStatusListener.Ready))
                    {
                        // set open price candles mode, it must be called after login
                        QuotesManager quotesManager = communicator.getQuotesManager();

                        RemoveQuotes(quotesManager, sampleParams);
                        Console.WriteLine();
                        ShowLocalQuotes(quotesManager);
                    }
                    communicator.removeStatusListener(communicatorStatusListener);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception: {0}", e.ToString());
            }
            finally
            {
                if (communicator != null)
                {
                    communicator.Dispose();
                }
                if (session != null)
                {
                    try
                    {
                        statusListener.Reset();
                        session.logout();
                        statusListener.WaitEvents();
                    }
                    catch (Exception)
                    {
                    }
                    session.unsubscribeSessionStatus(statusListener);
                    session.Dispose();
                }
            }
        }