Creates the view controller object and configures its initial state.
- macOS 10.15+
- Xcode 11.0+
A context structure containing information about the current state of the system.
Your AppKit view controller configured with the provided information.
You must implement this method and use it to create your view controller object. Create the view controller using your app's current data and contents of the
context parameter. The system calls this method only once, when it creates your view controller for the first time. For all subsequent updates, the system calls the