protected bool SanityCheckStart()
        {
            string description = null;

            Error.KnownCode code = Error.KnownCode.ExtendedErrorMin;

            if (_disposed == true)
            {
                description = "Client is already disposed";
                code        = Error.KnownCode.ClientAlreadyDisposedError;
            }
            else if (_request == null)
            {
                description = "Request is not set";
                code        = Error.KnownCode.RequestNotSetError;
            }
            else if (_request.url == null)
            {
                description = "Request URL is invalid or not set";
                code        = Error.KnownCode.RequestURLInvalid;
            }
            else
            {
                if ((_request.contentHandler != null) &&
                    (_request.contentHandler.OnWillStart(this) == false))
                {
                    description = "Request handler refused to start";
                    code        = Error.KnownCode.RequestHandlerDidNotStart;
                }
                else
                {
                    if (_responseHandler == null)
                    {
                        _responseHandler = new HTTPResponseMemoryStreamHandler();
                    }

                    if (_responseHandler.OnWillStart(this) == false)
                    {
                        description = "Response handler refused to start";
                        code        = Error.KnownCode.ResponseHandlerDidNotStart;
                    }
                }
            }

            if (description == null)
            {
                return(true);
            }

            _error = new Error(Bindings.ERROR_DOMAIN, (long)code, description);
            return(false);
        }