This message allocates memory for one or more RECORDCORE structures.
Note: If the CCS_MINIRECORDCORE style bit is specified when a container is created, then MINIRECORDCORE should be used instead of RECORDCORE and PMINIRECORDCORE should be used instead of PRECORDCORE in all applicable data structures and messages.
param1 ULONG cbRecordData /* Bytes of additional memory. */ param2 USHORT nRecords /* Number of records. */