Inside Macintosh: Interapplication Communication /

Chapter 6 - Resolving and Creating Object Specifier Records / Reference to Resolving and Creating Object Specifier Records

Data Structures Used in Object Specifier Records

The data for object specifier records can be specified using a variety of descriptor records and descriptor types. These are described in detail in "Descriptor Records Used in Object Specifier Records," which begins on page 6-7, and summarized in Table 6-11.

Keyword-specified descriptor records for typeObjectSpecifier

Keyword	Descriptor type	Data
keyAEDesiredClass	typeType	Object class ID
keyAEContainer	typeObjectSpecifier	Object specifier record
	typeNull	Data handle is NIL. Specifies the default container at the top of the container hierarchy.
	typeObjectBeingExamined	Data handle is NIL. Specifies the container for elements that are tested one at a time; used only with formTest.
	typeCurrentContainer	Data handle is NIL. Specifies a container for an element that demarcates one boundary in a range. Used only with formRange.
keyAEKeyForm	typeEnumerated	formPropertyID formName formUniqueID formAbsolutePosition formRelativePosition formTest formRange formWhose
keyAEKeyData		(See indented key forms)
for formPropertyID	typeType	Property ID for an element's property
for formName	typeChar or other text type	Element's name
for formUniqueID	Any appropriate type	Element's unique ID
for formAbsolutePosition	typeLongInteger	Offset from beginning (positive) or end (negative) of container
	typeAbsoluteOrdinal	kAEFirst kAEMiddle kAELast kAEAny kAEAll
for formRelativePosition	typeEnumerated	kAENext kAEPrevious
for formTest	typeCompDescriptor	(See Table 6-2 on page 6-19)
	typeLogicalDescriptor	(See Table 6-3 on page 6-22)
for formRange	typeRangeDescriptor	(See Table 6-4 on page 6-26)
for formWhose	typeWhoseDescriptor	(See Table 6-5 on page 6-50)