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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
Assemblies:   System.ServiceModel (in System.ServiceModel.dll)
  System.ServiceModel.Primitives (in System.ServiceModel.Primitives.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: 4.6, 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

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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