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Describes an event class that notifies subscribers whenever a method on the object that implements it either is called or returns from a call. The events are 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 ISendMethodEvents interface inherits from the IUnknown interface. ISendMethodEvents also has these types of members:
Methods
The ISendMethodEvents interface has these methods.
| ISendMethodEvents::SendMethodCall Generated when a method is called through a component interface. |
| ISendMethodEvents::SendMethodReturn Generated when a method called through a component interface returns control to the caller. |
Remarks
To send method events to the COM+ tracker property, you need to obtain a handle to it and you need to obtain its GUID, which is defined as follows.
GUID guidTrkPropPolicy = {0xecabaeb3, 0x7f19, 0x11d2, {0x97, 0x8e, 0x00, 0x00, 0xf8, 0x75, 0x7e, 0x2a}}
To obtain a handle to the COM+ tracker property, call the IContext::GetProperty method with the rGuid argument set equal to this GUID.
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 |