AppKit– category –

AppKit's NSOpenPanel class can display the standard macOS file open dialog. In addition to selecting files to open, the open file dialog gives Sandboxed apps access to specified directories on the file system. This article explains how t...

In the previous article, we implemented executing an action when clicking a button. Actions with buttons are one of the basic things common to most applications. Similarly, reading and writing controls' values are a common issue in appli...

Buttons are among the most frequently used elements in applications. In this article, we will add a "Quit" button to the Cocoa Hello World so that the application can also quit from the button. This article will continue from the Cocoa H...

This article explains how to terminate the app when the window is closed. We add the code to the Cocoa Hello World which was created in the previous article. You can download it from the following article. 【About the delegate】 AppKit u...

This article is part of a series of articles that create the Cocoa Hello World. This article explains how to set the minimum and maximum sizes of the window. It also adds the code to center the window to HelloWindowControllerclass. This ...

This is a series of articles explaining how to create a Cocoa version of Hello World. In this article, we create a window class and make it a window controller of the Hello World window. This article utilizes the sample code created in t...

This series of articles explains how to create a Cocoa version of Hello World. This time, we will create Hello World with zero coding, just editing the storyboard. In this article, we use Xcode. If you have not installed Xcode, please se...