public override void ViewDidLoad()
{
base.ViewDidLoad();
this.NavigationItem.SetHidesBackButton(true, false);
MapService MapService = new MapService(_client);
LocationService locationService = new LocationService();
locationService.CurrentLocation(_locationmanager);
var map = MapService.GetMapView();
MapService.CenterToCurrentLocation(map, _eventLocation);
map.AddAnnotations(new HOTCAnnotation(_eventLocation));
var CancelButton = new UIButton(UIButtonType.System);
CancelButton.Frame = new CGRect(25, 500, 300, 150);
CancelButton.SetTitle("Cancel", UIControlState.Normal);
View.AddSubview(map);
View.AddSubview(CancelButton);
CancelButton.TouchUpInside += (object sender, EventArgs e) =>
{
this.NavigationController.PopViewController(true);
};
}