Resume and Automatic Termination in Lion

Lion introduces Resume:a simpler way for apps to exit and later resume where they left off. Come learn how to take advantage of new APIs to enable your users to spend less time managing your app and more time using it. You will learn about the Resume feature as we walk through converting real applications to adopt automatic termination and window restoration. The session will include plenty of concrete code samples and practical advice.

WWDC 2011 - macOS