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title CvIsEnabled Function | Microsoft Docs
description See reference information for the Concurrency Visualizer SDK function CvIsEnabled (C library).
ms.date 11/04/2016
ms.topic reference
f1_keywords
cvmarkers/CvIsEnabledEx
cvmarkers/CvIsEnabled
helpviewer_keywords
CvIsEnabled method
CvIsEnabledEx method
ms.assetid 2e4fea6d-758d-4150-8744-6102a1d58c1c
author mikejo5000
ms.author mikejo
manager jmartens
ms.technology vs-ide-debug
ms.workload
multiple

CvIsEnabled function

[!INCLUDE Visual Studio] Determines whether any session has enabled the specified ETW provider.

Syntax

HRESULT CvIsEnabled(
   _In_ PCV_PROVIDER pProvider
);
HRESULT CvIsEnabledEx(
   _In_ PCV_PROVIDER pProvider,
   _In_ CV_IMPORTANCE level,
   _In_ int category
);

Parameters

category Category.

level Importance level.

pProvider Valid provider object. Cannot be NULL.

Return value

S_OK if provider is currently enabled. S_FALSE if provider is currently disabled. Error code in case there were any errors. Use FAILED macro to check for error condition and then check for S_OK/S_FALSE.

Requirements

Header: cvmarkers.h

See also