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Important: The information in this document is obsolete and should not be used for new development.

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Inside Macintosh: Interapplication Communication /
Chapter 4 - Responding to Apple Events / Reference to Responding to Apple Events
Routines for Responding to Apple Events / Getting the Sizes and Descriptor Types of Descriptor Records


AESizeOfKeyDesc

You can use the AESizeOfKeyDesc function to get the size and descriptor type of a keyword-specified descriptor record in an AE record.

FUNCTION AESizeOfKeyDesc (theAERecord: AERecord; 
                          theAEKeyword: AEKeyword; 
                          VAR typeCode: DescType; 
                          VAR dataSize: Size): OSErr;
theAERecord
The AE record containing the desired keyword-specified descriptor record.
theAEKeyword
The keyword that specifies the desired descriptor record.
typeCode
The descriptor type of the keyword-specified descriptor record.
dataSize
The length, in bytes of the data in the keyword-specified descriptor record.
RESULT CODES
noErr0No error
errAEDescNotFound-1701Descriptor record was not found
errAENotAEDesc-1704Not a valid descriptor record
errAEReplyNotArrived-1718Reply has not yet arrived

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© Apple Computer, Inc.
7 JUL 1996