net40-client 
namespace System.ServiceModel
{
    public abstract class DuplexClientBase<TChannel> : ClientBase<TChannel>
        where TChannel, class
    {
        protected override TChannel CreateChannel();
    }
}
.NET Framework
3.03.54.0
Information specific to net40-client
Assembly

System.ServiceModel , Version=4.0.0.0, PublicKeyToken=b77a5c561934e089

Referencing

Your project needs an assembly reference to System.ServiceModel.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API