NLog.Targets.EventLogTargetOverflowAction
Action that should be taken if the message is greater than
the max message size allowed by the Event Log.
Discard = 2
Discard of the message. It will not be written to the Event Log.
Split = 1
Split the message and write multiple entries to the Event Log.
Truncate = 0
Truncate the message before writing to the Event Log.