Adds a user ID to To, CC, and BC address Lists. A run-time error occurs for incorrect or non-existent user IDs.
AFTKN_AL_ADD or 751
VOID AddressListAdd(DWORD Handle; [ANSISTRING ToList]; [ANSISTRING CCList]; [ANSISTRING BCList])
Address List handle, returned by AddressListCreate() or AddressListCreateFromGroup.
(Optional) User ID.
(Optional) User ID.
(Optional) User ID.