C# TraceSource from different assembly (Plugin)

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Hi Folks!

I'm currently facing a problem and cannot figure out what's wrong.

In my application, I use a simple Plugin architecture. For debugging, I want to write text to my trace. I have set up a TraceSource within the Plugin.dll:

C#

private static readonly TraceSource ts = new TraceSource("Plugin");

The application app.config contains:

XML

<system.diagnostics>
  <trace autoflush="true" indentsize="4">
    <listeners>
      <add name="defaultLogListener"/>
    </listeners>
  </trace>
		
  <sources>
    <source name="Plugin" switchValue="All">
      <listeners>
	<remove name="Default"/>
	<add name="defaultLogListener"/>
      </listeners>
    </source>
  </sources>
		
  <sharedListeners>
    <add name="defaultLogListener" 
      type="System.Diagnostics.ConsoleTraceListener"
      traceOutputOptions="Timestamp"/>
  </sharedListeners>
</system.diagnostics>

Tracing from within the application works, but I don't get the messages from within the plugin.dll raised by

C#

ts.TraceInformation("TRACE from Plugin");

What am I doing wrong? Do I have to pass a TraceSource from my application to the Plugin instead of creating a new one inside?

Thanks a lot in advance

Rowan

Posted 3-Dec-12 13:29pm

RowanArkison

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RowanArkison · Accepted Answer · 2012-12-04T05:04:00

Sometimes ... it's time to slap the head against the wall. :-)

Just a config thing:

My Plugin TraceSource was not writing to the correct listener...

The following config works perfectly, writing to both, file and console listener:

XML

<system.diagnostics>
  <trace autoflush="true" indentsize="4">
    <listeners>
  <add name="defaultLogListener" />
  <add name="defaultFileListener" />
    </listeners>
  </trace>

  <sources>
  <source name="ImporterPlugin" switchvalue="All">
    <listeners>
      <add name="defaultLogListener" />
      <add name="defaultFileListener" />
        </listeners>
  </source>
  </sources>

  <sharedlisteners>
  <add name="defaultLogListener">
       type="System.Diagnostics.ConsoleTraceListener"
       traceOutputOptions="Timestamp"/>
  <add name="defaultFileListener">
       type="System.Diagnostics.TextWriterTraceListener"
       initializeData="application.log" />
  </add></add></sharedlisteners>
</system.diagnostics>