OLE DB Object Notifications (OLE DB)

Notifications permit consumers to be informed of changes to objects, such as data source objects and rowsets, when these objects are shared with other consumers. When significant changes occur to the state of a shared object, the provider notifies all consumers that currently share access to the object. Support for notifications is provider-specific.

This section explains when notifications are sent and how to nest and group them. It also discusses ways for consumers to screen out unwanted notifications. To illustrate ways of issuing notifications, diagrams of states and state transitions in providers and consumers are provided.

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When notifications are sent	When Notifications Are Sent
Nested notifications	When Notifications Are Sent
Grouped notifications	When Notifications Are Sent
States and state transitions in providers	States and State Transitions in Providers
States and state transitions in consumers	States and State Transitions in Consumers
Threading and notifications	Threading and Notifications