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Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Determines if any session has enabled the provider.
Syntax
bool is_enabled();
bool is_enabled(
marker_importance _Importance,
int _Category
);
Parameters
_Importance
Importance level.
_Category
Category.
Return value
Requirements
Header: cvmarkersobj.h
Namespace: Concurrency::diagnostic