keyword-specified descriptor records
#include <AppleEvents.h>
typedef struct AEDesc { Size Offset This is the Apple Event descriptor record. It is the fundamental structure
from which Apple Events are con structed. A descriptor record is a data
structure of type AEDesc; it consists of a handle to data and a descriptor type that identifies the type of the data referred to by the handle.
Notes: The Apple Event descriptor record structure is used in the following calls: