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Notifies the subscriber if an activity is created, destroyed, or timed out. The activity event is published to the subscriber using the COM+ Events service, a loosely coupled events system that stores event information from different publishers in an event store in the COM+ catalog.
Inheritance
The IComActivityEvents interface inherits from the IUnknown interface. IComActivityEvents also has these types of members:
Methods
The IComActivityEvents interface has these methods.
| IComActivityEvents::OnActivityCreate Generated when an activity starts. |
| IComActivityEvents::OnActivityDestroy Generated when an activity is finished. |
| IComActivityEvents::OnActivityEnter Generated when an activity thread is entered. |
| IComActivityEvents::OnActivityLeave Generated when an activity thread is left. |
| IComActivityEvents::OnActivityLeaveSame Generated when an activity thread is left after being entered recursively. |
| IComActivityEvents::OnActivityReenter Generated when an activity thread is reentered recursively. |
| IComActivityEvents::OnActivityTimeout Generated when a call into an activity times out. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | comsvcs.h |