Introduction to Online Help
This programming topic describes the various types of on-line help found in OS X. Your application rarely needs to contain code to display on-line help. Instead, you use Interface Builder and Xcode to set up on-line help for your application.
Organization of This Document
This programming topic contains the following articles:
Comprehensive Help describes the comprehensive help you can provide.
Tooltips describes the short bits of text that can describe a user interface element.
Specifying the Comprehensive Help File describes how to specify the location for your comprehensive help.