This documentation is archived and is not being maintained.

MessageHeaders.GetHeader<T> Method (String, String, String[])

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

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

public T GetHeader<T>(
	string name,
	string ns,
	params string[] actors

Type Parameters


The message header.


Type: System.String
The LocalName of the header XML element.
Type: System.String
The namespace URI of the header XML element.
Type: System.String[]
The targeted recipient of the message header.

Return Value

Type: T
A message header.

This method only uses the DataContractSerializer. It does not try to detect from the type whether it should use the XmlObjectSerializer or DataContractSerializer. To use the XML serializer, call GetHeader<T>(String, String, XmlObjectSerializer) or obtain the reader at the contents and call directly into the serializer.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.