nstitlebaraccessoryviewcontroller

Can anyone tell me how to use NSTitlebarAccessoryViewController, to add subview to a view with an example? As I am new to mac programming you may have to explain from basics. Please. NSTitlebarAccessoryViewController is for adding subviews to the windows title bar. Here is a example: Set up a view in interface builder. Go to the `applicationDidFinishLaunching: method to add the view to the title bar. The code would be the following: NSTitlebarAccessoryViewController* vc = [[NSTitlebarAccessoryViewController alloc] init]; vc.view = self.view; vc.layoutAttribute = NSLayoutAttributeRight; [self