This topic describes the mechanism that allows the CommsDat API to notify tools and applications of changes to the Comms Database.
All elements that you can read and write have the class MMetaDatabase as a base class. This base class contains the functions that allow the CommsDat API to notify tools and applicaions of changes to the database.
Tables, records, links and fields are all elements. The classes that represent tables, records, links and fields have MMetaDatabase in their class hierearchy. You can use the CommsDat::MMetaDatabase::RequestNotification() function to register for notification of changes to the Comms Database. You can use the CommsDat::MMetaDatabase::CancelNotification() function to cancel a request for notification.
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