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TraceSource::Switch Property

Gets or sets the source switch value.

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

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

Property Value

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

ExceptionCondition
ArgumentNullException

Switch is set to nullptr.

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

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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