• The IconRef

• Reference Counting

• The 'icns' Resource

• 32-bit Icon Data

• Deep Masks

• Huge Icons

• Basic Tasks With Icon Services

• Obtaining and Releasing IconRefs

• Using IconRefs

• Drawing Icons

• Hit-Testing

• Advanced Tasks With Icon Services

• Registering Icon Data

• Updating IconRefs

• Overriding and Restoring Icon Data

• Modifying Reference Counts

• Flushing IconRefs

• Using Badges

• Guidelines for Designing Icons