public async void Run(IBackgroundTaskInstance taskInstance)
        {
            _Deferral = taskInstance.GetDeferral();

            //AppServiceTriggerDetails triggerDetails = taskInstance.TriggerDetails as AppServiceTriggerDetails;
            // _connection = triggerDetails.AppServiceConnection;



            //webserver = new MyWebserver(_connection);
            webserver = new MyWebserver();


            await ThreadPool.RunAsync(workItem =>
            {
                webserver.Start();
            });
        }
        public async void Run(IBackgroundTaskInstance taskInstance)
        {
            _deferral              = taskInstance.GetDeferral();
            taskInstance.Canceled += OnTaskCanceled;

            /*
             * var triggerDetails = taskInstance.TriggerDetails as AppServiceTriggerDetails;
             * _connection = triggerDetails.AppServiceConnection;
             * _connection.RequestReceived += Connection_RequestReceived;
             */

            //webserver = new MyWebserver(_connection);
            webserver = new MyWebserver();


            await Windows.System.Threading.ThreadPool.RunAsync(workItem =>
            {
                webserver.Start();
            });
        }