void ReleaseDesignerOutlets() { if (DeliverBarButtonItem != null) { DeliverBarButtonItem.Dispose(); DeliverBarButtonItem = null; } if (DeliveryMapView != null) { DeliveryMapView.Dispose(); DeliveryMapView = null; } if (navigateBarButtonItem != null) { navigateBarButtonItem.Dispose(); navigateBarButtonItem = null; } }