保持WCF服務連接

Question

即使遇到故障狀態，如何保持我的WCF服務客戶端與WinForm連接？

謝謝。

Answer 1

據我所知，故障狀態通常是WCF代理的終端。所以不，我不這麼認爲。

Answer 2

答案自己:)

你可以訂閱InnerChannel活動

  svc.InnerChannel.Closed += InnerChannel_Error; 
      svc.InnerChannel.Closing += InnerChannel_Error; 
      svc.InnerChannel.Faulted += InnerChannel_Error; 

然後處理異常並重新創建服務代理

private void InnerChannel_Error(object sender, EventArgs e) 
{ 
    var svc = _entrepotService as EntrepotServiceProxy; 
    try 
    { 
     if (svc != null) 
     { 
      if (svc.State != CommunicationState.Faulted) 
      { 
       svc.Close(); 
      } 
      else 
      { 
       svc.Abort(); 
      } 
     } 
    } 
    catch (CommunicationException) 
    { 
     if (svc != null) svc.Abort(); 
    } 
    catch (TimeoutException) 
    { 
     if (svc != null) svc.Abort(); 
    } 
    catch 
    { 
     if (svc != null) svc.Abort(); 
     throw; 
    } 
    _entrepotService = new EntrepotServiceProxy(); 
}