Decide if the LoggingEvent should be logged through an appender.
The decision of the filter
If the decision is Deny, then the event will be dropped. If the decision is Neutral, then the next filter, if any, will be invoked. If the decision is Accept then the event will be logged without consulting with other filters in the chain.
This method is marked abstract
and must be implemented in a subclass.
FilterSkeleton Class | log4net.Filter Namespace