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TraceSource Constructor (String, SourceLevels)

Initializes a new instance of the TraceSource class, using the specified name for the source and the default source level at which tracing is to occur.

Namespace:  System.Diagnostics
Assembly:  System (in System.dll)
public TraceSource(
	string name,
	SourceLevels defaultLevel
)

Parameters

name
Type: System.String

The name of the source, typically the name of the application.

defaultLevel
Type: System.Diagnostics.SourceLevels

A bitwise combination of the enumeration values that specifies the default source level at which to trace.

ExceptionCondition
ArgumentNullException

name is null.

ArgumentException

name is an empty string ("").

The source name is used to identify traces. It can be used by a SourceSwitch to determine if tracing is to occur and by a SourceFilter to determine whether to produce the trace. The default source level is used by an EventTypeFilter to determine if tracing is to occur based on the source level of the message to be traced.

NoteNote

It is not necessary to create a new TraceSource instance for each trace request. Create one TraceSource instance and use it for all trace requests for the application.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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