Opc.Ua.SessionEndpoint.BeginActivateSession C# (CSharp) Method

        public virtual IAsyncResult BeginActivateSession(ActivateSessionMessage message, AsyncCallback callback, object callbackData)
        {
            try
            {
                OnRequestReceived(message.ActivateSessionRequest);

                // check for bad data.
                if (message == null) throw new ArgumentNullException("message");

                // set the request context.
                SetRequestContext(RequestEncoding.Xml);

                // create handler.
                ProcessRequestAsyncResult result = new ProcessRequestAsyncResult(this, callback, callbackData, 0);
                return result.BeginProcessRequest(SecureChannelContext.Current, message.ActivateSessionRequest);
            }
            catch (Exception e)
            {
                Exception fault = CreateSoapFault(message.ActivateSessionRequest, e);
                OnResponseFaultSent(fault);
                throw fault;
            }
        }