| typedef TUint32 | TCalLocalUid |
Calendar local entry ID. This entry ID is assigned by the calendar server when an entry is created. It will remain unchanged for the lifetime of that entry.
| typedef TUint8 | TCalCollectionId |
Calendar Collection ID. It identifies the same file as TCalFileId does
| const TCalFileId | KNullFileId |
Calendar NULL file ID. The file ID will be set to KNullFileId if the file is not opened.