Inside Macintosh: Interapplication Communication /

Chapter 6 - Resolving and Creating Object Specifier Records / Descriptor Records Used in Object Specifier Records

Object Class

The object class of the requested objects is identified by an object class ID. The corresponding keyword-specified descriptor record takes this form:

Keyword	Descriptor type	Data
keyAEDesiredClass	typeType	Object class ID

The Apple Event Registry: Standard Suites defines constants for the standard object class IDs.