Instance Method

tabView(_:willSelect:)

Informs the tab view controller that the specified tab is about to be selected.

Declaration

func tabView(_ tabView: NSTabView, willSelect tabViewItem: NSTabViewItem?)

Parameters

tabView

The tab view object whose tab is about to be selected.

tabViewItem

The tab view item that will be selected.

Discussion

This method is a delegate method called by the NSTabView object when changes occur. Use it to update your UI or perform any tasks before a tab is selected.

If you override this method, you must call super at some point in your implementation.

See Also

Responding to Tab View Events

func viewDidLoad()

Called after the view controller’s view has been loaded into memory.

func tabView(NSTabView, shouldSelect: NSTabViewItem?) -> Bool

Asks the tab view controller if the specified tab should be selected.

func tabView(NSTabView, didSelect: NSTabViewItem?)

Informs the tab view controller that the specified tab was selected.