ihttpperfcounterinfo-decrementcounter-method.md

title	IHttpPerfCounterInfo::DecrementCounter Method
description	Describes the IHttpPerfCounterInfo::DecrementCounter method and details its syntax, parameters, return value, remarks, and requirements.
ms.date	10/07/2016
ms.assetid	14e53865-885b-5406-b949-170d7e725357

IHttpPerfCounterInfo::DecrementCounter Method

Decrements a performance counter by a specified amount.

Syntax

virtual VOID DecrementCounter(  
   DWORD dwCounterIndex,  
   DWORD dwValue = 1  
) = 0;  

Parameters

dwCounterIndex
The performance counter to decrement.

dwValue
The amount to decrement from the counter specified by dwCounterIndex.

Return Value

VOID.

Remarks

The DecrementCounter method decreases the performance counter specified by the dwCounterIndex parameter by the value contained in the dwValue parameter.

Important

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

Requirements

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

See Also

IHttpPerfCounterInfo Interface
IHttpPerfCounterInfo::IncrementCounter Method