Can you use selectors to implement custom undo/redo actions?

Mar 20, 2025 ... Select any item, select the dots at the bottom of the menu, then ... Copyright © 2025 Apple Inc. All rights reserved. Privacy Policy ... Nov 6, 2023 ... API Reference (Objective C, Swift). Use the following APIs to ... [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector ... Jun 3, 2014 ... General notes: · 14. it doesn't have to be public you can still keep the method private but add objc before it's declaration. · It can also be ... Aug 31, 2017 ... You have two choices: 1. You can construct a selector from a raw String. In this case you must make sure that the selector is correctly formed according to Obj ... Aug 5, 2020 ... addTarget(self, action: #selector(buttonTapped(_:)), for: .touchUpInside) } @IBAction func buttonTapped(_ sender: UIButton) { print("Button ... Nov 24, 2023 ... Timer Initialization. Creating a Timer in Swift involves instantiating the Timer class and specifying the target, selector, and other relevant ... Apr 24, 2025 ... A Picker for iOS that can be used to choose from one, one or none, or multiple options. Written by James Pamplona and 2 other contributors. Jan 5, 2020 ... A. Implementing the file picker ... You simply need to create an instance of the NSOpenPanel and call the runModal method to display it. Oct 26, 2014 ... It looks like an extra outlet is being used on the IB builder. Right click on both your uiElements in the IB and see if you have an extra outlet ... Jan 30, 2023 ... The only place where languages do NOT switch is Mac OS Launchpad (the search field on the top of the screen). To change the input language I ...