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MessageHeaders.FindHeader Method (String, String)

Finds a message header in this collection by the specified LocalName and namespace URI of the header element.

Namespace:  System.ServiceModel.Channels
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

public int FindHeader(
	string name,
	string ns
)

Parameters

name
Type: System.String

The LocalName of the header XML element.

ns
Type: System.String

The namespace URI of the header XML element.

Return Value

Type: System.Int32
The index of the message header in this collection if found or -1 if the header specified does not exist.

ExceptionCondition
ArgumentNullException

Arguments are null.

MessageHeaderException

The header specified by the arguments exists multiple times.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, 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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