title	IHttpPerfCounterInfo Interface
description	Learn how the IHttpPerfCounterInfo interface provides an interface for incrementing and decrementing performance counters.
ms.date	10/07/2016
ms.assetid	3ca70926-30f4-ebc5-2148-a3b8d0a6cbbe

IHttpPerfCounterInfo Interface

Provides an interface for incrementing and decrementing performance counters.

Syntax

class IHttpPerfCounterInfo

The following table lists the methods exposed by the IHttpPerfCounterInfo interface.

Name	Description
DecrementCounter	Decrements a performance counter by a specified amount.
IncrementCounter	Increments a performance counter by a specified amount.

Calling the IHttpServer::GetPerfCounterInfo and IHttpSite::GetPerfCounterInfo methods will return, respectively, a server-level or site-level IHttpPerfCounterInfo interface, which is used to modify the [!INCLUDEiisver] performance counters.

Important

This interface is part of the [!INCLUDEiisver] infrastructure and is not intended to be used directly from your code.

Type	Description
Client	- IIS 7.0 on [!INCLUDEwinvista] - IIS 7.5 on Windows 7 - IIS 8.0 on Windows 8 - IIS 10.0 on Windows 10
Server	- IIS 7.0 on [!INCLUDEwinsrv2008] - IIS 7.5 on Windows Server 2008 R2 - IIS 8.0 on Windows Server 2012 - IIS 8.5 on Windows Server 2012 R2 - IIS 10.0 on Windows Server 2016
Product	- IIS 7.0, IIS 7.5, IIS 8.0, IIS 8.5, IIS 10.0 - [!INCLUDEiisexp75], [!INCLUDEiisexp80], [!INCLUDEiisexp100]
Header	Httpserv.h