---
UID: NN:eventsys.IEventClass2
title: IEventClass2 (eventsys.h)
description: Used to set and obtain data on event class objects. This interface extends the IEventClass interface.
old-location: cos\ieventclass2.htm
tech.root: cossdk
ms.assetid: b01f8d96-c0e6-45a7-9365-792f6233686e
ms.date: 12/05/2018
ms.keywords: IEventClass2, IEventClass2 interface [COM+], IEventClass2 interface [COM+],described, _cos_IEventClass2, cos.ieventclass2, eventsys/IEventClass2
f1_keywords:
- eventsys/IEventClass2
dev_langs:
- c++
req.header: eventsys.h
req.include-header: 
req.target-type: Windows
req.target-min-winverclnt: Windows 2000 Professional [desktop apps only]
req.target-min-winversvr: Windows 2000 Server [desktop apps only]
req.kmdf-ver: 
req.umdf-ver: 
req.ddi-compliance: 
req.unicode-ansi: 
req.idl: Eventsys.idl
req.max-support: 
req.namespace: 
req.assembly: 
req.type-library: 
req.lib: 
req.dll: 
req.irql: 
topic_type:
- APIRef
- kbSyntax
api_type:
- COM
api_location:
- eventsys.h
api_name:
- IEventClass2
targetos: Windows
req.typenames: 
req.redist: 
ms.custom: 19H1
---

# IEventClass2 interface


## -description


Used to set and obtain data on event class objects.
This interface extends the <a href="https://docs.microsoft.com/windows/desktop/api/eventsys/nn-eventsys-ieventclass">IEventClass</a> interface.


## -see-also




<a href="https://docs.microsoft.com/windows/desktop/api/eventsys/nn-eventsys-ieventclass">IEventClass</a>
 

 

