AnyPlace.MainPage.MapView_Loaded C# (CSharp) Method

        private void MapView_Loaded(object sender, RoutedEventArgs e)
        {
            // make transparent the notification bar then hide it
            SystemTray.Opacity = 0.0;
            SystemTray.IsVisible = false;

            if (!_loaded)
            {
                _loaded = true;
                // set the zoom level
                Mymap.ZoomLevel = 2;
            }

            _wmstileprovider = new WMSTiles();
            _wmstileprovider.setBuidAndFloor("", "");

            if (_tilesCheck)
                Mymap.TileSources.Add(_wmstileprovider);

            var settings1 = IsolatedStorageFile.GetUserStoreForApplication();
            if (!settings1.FileExists("WorldBuilding"))
            {
                //var result = MessageBox.Show("You have to download the required maps to use all the features. Download now?", "Download Required Maps", MessageBoxButton.OKCancel);

                //if (result == MessageBoxResult.OK)
                //{
                    var isNetwork = NetworkInterface.GetIsNetworkAvailable();

                    if (isNetwork)
                    {
                        if (isDownloading)
                            return;
                        isDownloading = true;
                        loading.Visibility = Visibility.Visible;
                        loading.IsIndeterminate = true;
                        DownloadRequireStaff();
                        
                    }
                    //else
                    //    MessageBox.Show("No Internet Connection. Please check your internet connection and try again!");
                //}
            }
        }