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TraceListenerCollection.IList.Contains Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Determines whether the TraceListenerCollection contains a specific object.

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

bool IList.Contains(
	Object value


Type: System.Object
The object to locate in the TraceListenerCollection.

Return Value

Type: System.Boolean
true if the Object is found in the TraceListenerCollection; otherwise, false.



Use the Contains method of the TraceListenerCollection class to determine whether the collection contains a specific TraceListener object.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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