---
UID: NF:eventsys.IEventClass.put_EventClassID
title: IEventClass::put_EventClassID (eventsys.h)
description: The CLSID for the event class object.
old-location: cos\ieventclass_eventclassid.htm
tech.root: cossdk
ms.assetid: eb51a015-cb99-4cbc-8fba-8c4834adcf65
ms.date: 12/05/2018
ms.keywords: EventClassID property [COM+], EventClassID property [COM+],IEventClass interface, IEventClass interface [COM+],EventClassID property, IEventClass.EventClassID, IEventClass.put_EventClassID, IEventClass::EventClassID, IEventClass::get_EventClassID, IEventClass::put_EventClassID, cos.ieventclass_eventclassid, eventsys/IEventClass::EventClassID, eventsys/IEventClass::get_EventClassID, eventsys/IEventClass::put_EventClassID, put_EventClassID
f1_keywords:
- eventsys/IEventClass.EventClassID
dev_langs:
- c++
req.header: eventsys.h
req.include-header: Eventsys.h
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:
- IEventClass.EventClassID
- IEventClass.get_EventClassID
- IEventClass.put_EventClassID
targetos: Windows
req.typenames: 
req.redist: 
ms.custom: 19H1
---

# IEventClass::put_EventClassID


## -description


The CLSID for the event class object.

This property is read/write.


## -parameters


## -see-also




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

 

