previousValidKeyView
The closest view object in the key view loop that precedes the current view and accepts first responder status.
Declaration
unowned(unsafe) var previousValidKeyView: NSView? { get }Discussion
The value in this property is nil if there is no view that precedes the current view and accepts the first responder status. AppKit ignores hidden views when it determines the previous valid key view.
See Also
Related Documentation
selectKeyView(following:)isHiddenselectNextKeyView(_:)selectPreviousKeyView(_:)selectKeyView(preceding:)