Introduction

Foundation supplies a programming architecture for passing around information about the occurrence of events. This document describes the elements of this architecture and explains how to use them.

Read this document to learn about notifications, notification centers, and notification queues.

Organization of This Document

This document contains the following articles:

• Notifications describes objects that encapsulate information about events.

• Notification Centers describes objects that manage the sending and receiving of notifications.

• Notification Queues describes objects that act as buffers for notification centers.

• Registering for a Notification describes how to register for a notification.

• Posting a Notification describes how to post a notification.

• Delivering Notifications To Particular Threads shows an example of how to handle notifications that should be processed on a particular thread.