我正在尝试使用IDispatchMessageInspector在WCF服务实现中访问自定义header值。类似于:publicclassMyService:IMyService{publicListGetNames(){varheaderInspector=newCustomHeaderInspector();//Wheredorequest&clientchannelcomefrom?varvalues=headerInspector.AfterReceiveRequest(refrequest,clientChannel,OperationContext.Current.Inst