LogException or any of the derived functions like ErrorException etc. seem to totally ignore the exception parameter passed in.
LogException
ErrorException
Am I missing a
Building on @Niki's answer, this will give you pretty close to what log4net will do
fileName="${basedir}/logs/${shortdate}.log" layout="${longdate}|${level:uppercase=true}|${logger}|${message}${onexception:inner=${newline}${exception:format=tostring}}"