UIViewController.NavigationItem Property
Definition
Important
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A UINavigationItem that represents this UIViewController in its parent’s UINavigationController’s NavigationBar.
public virtual UIKit.UINavigationItem NavigationItem { [Foundation.Export("navigationItem", ObjCRuntime.ArgumentSemantic.Strong)] get; }member this.NavigationItem : UIKit.UINavigationItemProperty Value
By default, the first time this property is accessed, a new UINavigationItem is lazily initialized with a Title set to this UIViewController’s Title.'
- Attributes
Remarks
When a UIViewController is a child of a UIViewController that has a UINavigationController, the child’s NavigationItem represents the UINavigationItem in the parent’s UINavigationBar. The first time this property is accessed, the default behavior is to lazily initialize a UINavigationItem, so if the parent UIViewController does not use a UINavigationBar, application developers should either not access or override this property.