Important: The information in this document is obsolete and should not be used for new development.
AESizeOfNthItem
You can use theAESizeOfNthItem
function to get the size and descriptor type of a descriptor record in a descriptor list.
FUNCTION AESizeOfNthItem (theAEDescList: AEDescList; index: LongInt; VAR typeCode: DescType; VAR dataSize: Size): OSErr;
theAEDescList
- The descriptor list containing the descriptor record.
index
- The position of the descriptor record in the list (for example, 2 specifies the second descriptor record).
typeCode
- The descriptor type of the descriptor record.
dataSize
- The length (in bytes) of the data in the descriptor record.
RESULT CODES
noErr 0 No error errAEDescNotFound -1701 Descriptor record was not found errAEReplyNotArrived -1718 Reply has not yet arrived