Logging in .Net and My.Application.Log.WriteEntry does not write until flush

In app.config you need to remove the default listener:

<remove name=Default/>

Documentation on MSDN is ok, when testing you need to remember that the log will not write until either the application is closed, or the log is flushed. So:

My.Application.Log.DefaultFileLogWriter.AutoFlush = True
My.Application.Log.DefaultFileLogWriter.Flush()
My.Application.Log.TraceSource.Flush()

 

 

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