Retrieve UISegmentedControl object out of UIBarButtonItem

I need to get the UISegmentedControl object that i previously added in the UIBarButtonItem like this

UIBarButtonItem *segmentBarButton=[[UIBarButtonItem alloc] initWithCustomView:segmaentControl];

now i want to get the UISegmentedControl obje开发者_JAVA百科ct out of it, how can i do this?

UIBarButtonItem has a property called customView, which is what you're looking for:

UISegmentedControl *control = (UISegmentedControl *) [segmentBarButton customView];