UICommand

public extension UICommand


                    
                    
                    update(_:updateTitle:)

Updates a command to reflect the current state of a bound action.

Sets the attributes of the command to be disabled if the action is nil or if the action can’t be performed right now. Optionally updates the title of the command.

This can be used in UIResponder.validate(_:) to update the command for a menu item before it is about to be displayed.

Declaration

Swift

func update<T>(_ action: BoundUserAction<T>?, updateTitle: Bool = false)

Parameters

`action`	The bound action whose state should be reflected in the command.
`updateTitle`	Whether to also update the title of the command. Defaults to false.