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我有一个带有 CallbackContract 的 WCF 服务。使用“pollingDuplexHttpBinding”将服务暴露给 Silverlight 客户端 当 Silverlight 客户端“死亡”并且服务调用回调操作时，它会在一分钟后收到超时异常。如何将此超时设置为不同？

谢谢， 埃拉德

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2 回答 2

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MSDN 中有一篇关于配置PollingDuplexHttpBinding的好文章：

//Inactivity timeout
PollingDuplexHttpBinding binding = new PollingDuplexHttpBinding();    
//Get default inactivity timeout
TimeSpan defaultInactivityTimeOut = binding.InactivityTimeout;
//Returns default timeout in minutes: 10
string txtDefaultInactivityTimeOut = defaultInactivityTimeOut.Minutes.ToString();    
//Set new inactivity timeout
TimeSpan newInactivityTimeOut = new TimeSpan(0, 5, 0);
binding.InactivityTimeout = newInactivityTimeOut;

更新：在“如何：为 Silverlight 客户端构建双工服务”的“使用 PollingDuplexHttpBinding”段落下，有基于示例配置。 希望，这会有所帮助。web.configPollingDuplexHttpBinding

于 2012-02-12T21:11:14.827 回答
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所以看来 PollingDuplexHttpBinding 的“SendTimeout”属性完成了这项工作：

<extensions>
  <bindingExtensions>
    <add name="pollingDuplexHttpBinding" type="System.ServiceModel.Configuration.PollingDuplexHttpBindingCollectionElement, System.ServiceModel.PollingDuplex, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
  </bindingExtensions>
</extensions>

<bindings>

  <pollingDuplexHttpBinding>
    <binding name="myPollingDuplex" sendTimeout="00:00:05"/>
  </pollingDuplexHttpBinding>

</bindings>


<services>
  <service name="Kodak.Pgy.Server.Event.WCFService.EventService" behaviorConfiguration="EventBehavior">

    <!--For duplex communication with the service from silverlight client-->
    <endpoint address="/for-silverlight" binding="pollingDuplexHttpBinding" bindingConfiguration="myPollingDuplex" contract="IEventService"/>

  </service>

</services>
于 2012-02-13T13:06:45.240 回答