AESizeOfAttribute
You can use theAESizeOfAttribute
function to get the size and descriptor type of an Apple event attribute.
FUNCTION AESizeOfAttribute (theAppleEvent: AppleEvent; theAEKeyword: AEKeyword; VAR typeCode: DescType; VAR dataSize: Size): OSErr;
theAppleEvent
- The Apple event containing the desired attribute.
theAEKeyword
- The keyword that specifies the attribute.
typeCode
- The descriptor type of the attribute.
dataSize
- The length, in bytes, of the data in the attribute.
RESULT CODES
noErr 0 No error errAEDescNotFound -1701 Descriptor record was not found errAENotAEDesc -1704 Not a valid descriptor record errAEReplyNotArrived -1718 Reply has not yet arrived