System.ServiceModel.Http2Protocol.ProtocolSession.Open C# (CSharp) Method

        public void Open()
        {
            if (this.State == ProtocolSessionState.Created)
            {
                this.protocol.Connect();
            }
            else
            {
                throw new InvalidOperationException("Session already " + this.State);
            }
        }

        /// <summary>
        /// Create http2 session. Close if previously opened.
        /// </summary>
        /// <param name="uri">The URI</param>
        /// <param name="option">Options for session</param>
        /// <returns>The return code.</returns>
        private static int CreateSession(Uri uri, ProtocolOptions option)
        {
            int res = 0;
            CloseSession();

            session = new ProtocolSession(uri, false, option);

            // URI can still be invalid, missing protocol prefix for example
            try
            {
                session.Open();

                session.OnOpen += OnSessionOpened;
                session.OnClose += OnSessionClosed;
                session.OnError += OnSessionError;
                session.OnStreamOpened += OnStreamOpened;
                session.OnStreamClosed += OnStreamClosed;

                // wait until session changes its state
                // for high latency connections we cannot just start using this session
                sessionMonitorEvent.Reset();
            }
            catch (Exception e)
            {
                Http2Logger.LogError("Unable to open session for " + uri + ". " + e.Message);
                res = 1;
            }

            return res;
        }