CompositeDuplexElement Class
Represents the configuration element that is used when the client must expose an endpoint for the service to send messages over HTTP. This class cannot be inherited.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
This configuration element adds two-way messaging to a custom binding. It is used with transports that do not allow duplex communications natively, for example, HTTP. TCP, by contrast, allows duplex communications natively, and does not require the use of this binding element for the service to send messages back to a client.
The client must expose an address for the service to make contact and establish a connection. This client address is provided by the ClientBaseAddress property.
System.Configuration.ConfigurationElement
System.ServiceModel.Configuration.ServiceModelExtensionElement
System.ServiceModel.Configuration.BindingElementExtensionElement
System.ServiceModel.Configuration.CompositeDuplexElement
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, 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.