Event Aggregator

Giriş
Açıklaması şöyle.

An Event Aggregator is a simple element of indirection. In its simplest form you have it register with all the source objects you are interested in, and have all target objects register with the Event Aggregator. The Event Aggregator responds to any event from a source object by propagating that event to the target objects.

Event Aggregator klasik Publish/Subsribe altyapısı olabileceği gibi, içinde iş mantığı kodları da barındırabilir.