It seems that this is fully designed around publishing and handling actual data. Publishersubscriber pattern with event delegate and. To publish an event the publisher needs to invoke ieventaggregator. Second, subscribing and handling events require the implementation of the ihandle interface, where t is the type of instances that we want to receive. Consider the following code below which publishes the message supplied on a background thread. Eventagregator sends the messages to the interested subscriber. First, in caliburn micro, the eventaggregators publish method requires an instance of a type to be sent. To support this, prism provides the eventaggregator component that implements a pubsub event mechanism. I am having an issue subscribing to events with the event aggregator that comes as part of the prism framework. Eventaggregator is a module that acts as a single source of events for objects that wish to publish andor subscribe to events. For publishing different type of message there is need of creating different type of publisher.
When a subscriber subscribes to interested message types via eventaggregator the eventaggregator returns a subscription token that is further used by the subscriber to keep track of its subscriptions. Eventaggregator gets a list of all subscriber interested messages. In publisher subscriber eventaggregator is woks as hub whose task is to aggregate all publish message and send message to interested subscribers. Eventaggregator by name one can easily say that it aggregate events. Eventaggregator receives a message sent by publishers. Publishersubscriber pattern with eventdelegate and. In sample program itemlistview user control publishes itemsaved event as shown below.
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