Marks the beginning of a key descriptor in an
- macOS 10.0+
- Core Services
A result code. See Result Codes.
Use this routine to mark the beginning of a keyword/descriptor definition in an Apple event record. After calling this routine, you should call
AEStream one or more times to write the record data to the stream. When you are done writing data, you must call
AEStream to complete the record definition.
This routine must be called only as part of an Apple event record definition. You cannot use this routine to write keyword/descriptor definitions to other descriptor types, such as an
AEDesc, even if those types are nested inside an Apple event record. In situations where you need to create nested records, this routine opens a new keyword/descriptor definition in the Apple event record associated with the most recent call to