private void Start(object sender, EventArgs eventArgs)
        {
            try
            {
                var DevTree        = XDocument.Load(Assets.Open(configFile));
                var mbnetOPSConfig = XDocument.Load(Assets.Open(opsConfigFile));

                if (PollTask.Start(configFolder, serverIp, password, DevTree, mbnetOPSConfig, chLog, chShowDevStates))
                {
                    //tbStart.Enabled = false;
                    //tbStop.Enabled = true;
                    //miInit.Enabled = true;
                    //tbClear.Enabled = true;
                    //LoadListsForControl(DevTree, mbnetOPSConfig);
                    aDevTree = DevTree;
                }
                else
                {
                    PollTask = null;
                }
            }
            catch (Exception)
            {
                //MessageBox.Show("Не удалось открыть файл конфигурации!");
            }
        }
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.activity_main);

            PollTask = new TPollTask(Assets);

            Android.Support.V7.Widget.Toolbar toolbar = FindViewById <Android.Support.V7.Widget.Toolbar>(Resource.Id.toolbar);
            SetSupportActionBar(toolbar);
            FindViewById <Button>(Resource.Id.start_button).Click   += Start;
            FindViewById <Button>(Resource.Id.impulse_button).Click += Impulse;
        }