WCF服务跟踪-如何查看服务调用的输入和输出数据？

<system.diagnostics>
  <sources>
    <source name="System.ServiceModel" switchValue="Information, ActivityTracing" propagateActivity="true">
      <listeners>
        <add name="traceListener" type="System.Diagnostics.XmlWriterTraceListener" initializeData="C:\Logs\WcfTrace.svclog" />
      </listeners>
    </source>
  </sources>
  <trace autoflush="true" />
</system.diagnostics>

<behaviors>
  <serviceBehaviors>
    <behavior name="MyServiceBehavior">
      <serviceMetadata httpGetEnabled="true" />
      <serviceDebug includeExceptionDetailInFaults="true" />
      <serviceCredentials>
        <!-- 配置证书等信息 -->
      </serviceCredentials>
      <serviceAuthorization>
        <!-- 配置授权策略 -->
      </serviceAuthorization>
      <serviceThrottling maxConcurrentCalls="100" maxConcurrentSessions="100" maxConcurrentInstances="100" />
      <serviceTimeouts transactionTimeout="00:10:00" />
      <serviceTrace
         ref="System.ServiceModel.Diagnostics.DefaultServiceTraceListener">
      </serviceTrace>
    </behavior>
  </serviceBehaviors>
</behaviors>