WSDualHttpBinding Class (System.ServiceModel)

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Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:

.NET Framework 3.0

.NET Framework Class Library

WSDualHttpBinding Class

Updated: November 2007

A secure and interoperable binding that is designed for use with duplex service contracts that allows both services and clients to send and receive messages.

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

Syntax

Visual Basic (Declaration)

Public Class WSDualHttpBinding _
    Inherits Binding _
    Implements IBindingRuntimePreferences

Visual Basic (Usage)

Dim instance As WSDualHttpBinding

public class WSDualHttpBinding : Binding, 
    IBindingRuntimePreferences

Visual C++

public ref class WSDualHttpBinding : public Binding, 
    IBindingRuntimePreferences

public class WSDualHttpBinding extends Binding implements IBindingRuntimePreferences

JScript

public class WSDualHttpBinding extends Binding implements IBindingRuntimePreferences

Remarks

The WSDualHttpBinding provides the same support for Web Service protocols as the WSHttpBinding, but for use with duplex contracts. WSDualHttpBinding only supports SOAP security and requires reliable messaging. This binding requires that the client has a public URI that provides a callback endpoint for the service. This is provided by the ClientBaseAddress. A dual binding exposes the IP address of the client to the service. The client should use security to ensure that it only connects to services it trusts.

By default the WSDualHttpBinding generates the following binding element stack:

Examples

The following example shows how to specify the wsDualHttpBinding binding in a configuration file.

Inheritance Hierarchy

System..::.Object
System.ServiceModel.Channels..::.Binding
System.ServiceModel..::.WSDualHttpBinding

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Windows Vista, Windows XP SP2, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Framework

Supported in: 3.5, 3.0

Reference

WSDualHttpBinding Members

System.ServiceModel Namespace

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