EventAggregator vs CompositeCommand
问题 I worked my way through the Prism guidance and think I got a grasp of most of their communication vehicles. Commanding is very straightforward, so it is clear that the DelegateCommand will be used just to connect the View with its Model. It is somewhat less clear, when it comes to cross Module Communication, specifically when to use EventAggregation over Composite Commands. The practical effect is the same e.g. You publish an event -> all subscribers receive notice and execute code in