<root>
        <!--<appender-ref ref="RollingFileAppender" />-->
        <level value="ALL"/>
    </root>

<appender-ref ref="RollingFileAppender" />

<Component>
  <File Source='$(sys.SOURCEFILEDIR)File.xml'/>
  <util:XmlConfig Id="CreateAppenderElement"
                  File="[#File.xml]"
                  Action="create"
                  ElementPath="/root"
                  VerifyPath="/root/appender-ref"
                  Name="appender-ref"
                  Node="element"
                  On="install">
    <util:XmlConfig Id="CreateAppenderElement_SetRef"
                    ElementId="CreateAppenderElement"
                    File="[#File.xml]"
                    Name="ref"
                    Value="RollingFileAppender"/>
  </util:XmlConfig>
</Component>