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SwitchAttribute Class

Identifies a switch used in an assembly, class, or member.

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

public sealed class SwitchAttribute : Attribute

A SwitchAttribute attribute can be used on an assembly, class, constructor, method, property, or event.

The SwitchAttribute attribute can be used by tools that inspect an assembly for configuration settings.

The following code example shows the use of a SwitchAttribute attribute to identify the switch used in an assembly. This code example is part of a larger example provided for the TraceSource class.

[SwitchAttribute("SourceSwitch", typeof(SourceSwitch))]
static void Main()


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0