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Messages sent without a token use the default shared channel. The first lets you register all the handlers with a single call to the RegisterAll extension, which automatically registers the recipients of all the declared message handlers, while the latter is useful when you need more flexibility or when you want to use a simple lambda expression as a message handler.

Both WeakReferenceMessenger and StrongReferenceMessenger also expose a Default property that offers a thread-safe implementation built-in into the package. It is also possible to create multiple messenger instances if needed, for instance if a different one is injected with a DI service provider into a different module of the app for instance, multiple windows running in the same process.

The StrongReferenceType can still be used, by passing an instance to the constructor of that class. Let's imagine this message type being used in a simple messaging application, which displays a header with the user name and profile image of the currently logged user, a panel with a list of conversations, and another panel with messages from the current conversation, if one is selected.

In this scenario, the LoggedInUserChangedMessage message might be sent by the HeaderViewModel after a login operation has completed, and both those other viewmodels might register handlers for it.

For instance, ConversationsListViewModel will load the list of conversations for the new user, and ConversationViewModel will just close the current conversation, if one is present.

The IMessenger instance takes care of delivering messages to all the registered recipients. Note that a recipient can subscribe to messages of a specific type. When a recipient is not needed anymore, you should unregister it so that it will stop receiving messages. You can unregister either by message type, by registration token, or by recipient:.

As mentioned before, this is not strictly necessary when using the WeakReferenceMessenger type, as it uses weak references to track recipients, meaning that unused recipients will still be eligible for garbage collection even though they still have active message handlers. It is still good practice to unsubscribe them though, to improve performances. Permissions info.

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Lo mejor: llena mis expectativas moderno y muy bueno ok. Lo mejor: todo el programa es formidable los felicito gracias. Lo peor: nada negativo por el contrario me ha ayudado mucho. Lo mejor: muchas opciones, ideas nueva y novedosas. Lo peor: No he encontrado aun algo negativo. Lo peor: se desconecta con cierta frecuencia. Lo peor: hasta el momento nada negativo. MSN E-Fix. MessengerLog Pro.