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TraceListenerCollection.IndexOf Method

Gets the index of the specified listener.

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

public int IndexOf(
	TraceListener listener
)

Parameters

listener
Type: System.Diagnostics.TraceListener

A TraceListener to find in the list.

Return Value

Type: System.Int32
The index of the listener, if it can be found in the list; otherwise, -1.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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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