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EventSource.IsEnabled Method (EventLevel, EventKeywords)

.NET Framework 4.5

Determines whether the current event source that has the specified level and keyword is enabled.

Namespace:  System.Diagnostics.Tracing
Assembly:  mscorlib (in mscorlib.dll)

Public Function IsEnabled ( _
	level As EventLevel, _
	keywords As EventKeywords _
) As Boolean


Type: System.Diagnostics.Tracing.EventLevel

The level of the event source.

Type: System.Diagnostics.Tracing.EventKeywords

The keyword of the event source.

Return Value

Type: System.Boolean
true if the event source is enabled; otherwise, false.

The result of this method is only an approximation of whether a particular event is active. Use it to avoid expensive computation for logging when logging is disabled. Event sources may have additional filtering that determines their activity.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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