TraceSource.Switch Property (System.Diagnostics)

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Switch Property

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This page is specific to

Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:

.NET Framework Class Library

TraceSource..::.Switch Property

Gets or sets the source switch value.

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

Syntax

Visual Basic (Declaration)

Public Property Switch As SourceSwitch

Visual Basic (Usage)

Dim instance As TraceSource
Dim value As SourceSwitch

value = instance.Switch

instance.Switch = value

public SourceSwitch Switch { get; set; }

Visual C++

public:
property SourceSwitch^ Switch {
    SourceSwitch^ get ();
    void set (SourceSwitch^ value);
}

JScript

public function get Switch () : SourceSwitch
public function set Switch (value : SourceSwitch)

Property Value

Type: System.Diagnostics..::.SourceSwitch
A SourceSwitch object representing the source switch value.

Exceptions

Exception	Condition
ArgumentNullException	Switch is set to nullNothingnullptra null reference (Nothing in Visual Basic).

Remarks

The Switch property allows the filtering of messages before the trace source calls the listeners.

The switch is used to check whether trace calls should be generated or ignored. Each trace method calls the ShouldTrace method of the SourceSwitch to determine whether to proceed with the trace. If the call returns true, the listeners are called.

.NET Framework Security

SecurityPermission
for operating with unmanaged code. Demand value: LinkDemand; Associated enumeration: SecurityPermissionFlag..::.UnmanagedCode.

Platforms

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.

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0

Reference

TraceSource Class

TraceSource Members

System.Diagnostics Namespace