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3.1.4.10 IEventSystem2

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This interface is used to perform version checking and transient subscription verifications on the server by the client. IEventSystem2 inherits opnums 0 through 12 from the IEventSystem interface, as specified in section 3.1.4.1. The version for this interface is 0.0.

The server SHOULD support this interface.<15> To receive incoming remote calls for this interface, the server MUST implement a DCOM object class with the CLSID CLSID_EventSystem (see section 1.9) using the UUID {99CC098F-A48A-4e9c-8E58-965C0AFC19D5}for this interface.

The interface contains the following methods beyond those of IEventSystem.

Methods in RPC Opnum Order

Method

Description

GetVersion

Gets the version of the event system implementation.

Opnum: 13

VerifyTransientSubscribers

Verifies the state of the transient subscribers.

Opnum: 14