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MessageVersion.CreateVersion Method (EnvelopeVersion, AddressingVersion)

Creates a message version object with specified SOAP and WS-Addressing versions.

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

public static MessageVersion CreateVersion(
	EnvelopeVersion envelopeVersion,
	AddressingVersion addressingVersion


Type: System.ServiceModel.EnvelopeVersion
The EnvelopeVersion that indicates the SOAP version.
Type: System.ServiceModel.Channels.AddressingVersion
The AddressingVersion that indicates the WS-Addressing version.

Return Value

Type: System.ServiceModel.Channels.MessageVersion
The MessageVersion using the specified versions of WS-Addressing and SOAP.


envelopeVersion or addressingVersion is null.

The SOAP versions currently available are SOAP 1.1 and SOAP 1.2. There is an EnvelopeVersion for each version of SOAP that contains the data relevant to its use.

There are currently two versions of WS-Addressing available. One submitted 10 August 2004 and the other submitted August 2005 and referred to as the WS-Addressing 1.0 protocol.

msgVersion = MessageVersion.CreateVersion(envVersion, addrVersion);

.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.