On smart clients, adhesion, and strong objects

A challenge presented to developers when designing smart client apps includes keeping the solution's assemblies, which must communicate at some point with one another, as loosely coupled as practically possible.

Reaching this goal will greatly increase the "intelligence" of the software tool as the capability to version your app increases. The "smart" in smart client application design, among other things, is the capability to keep the code base as feature-rich as possible, with minimal impact to both the developer tasked with creating and managing the source (relatively speaking), as well as the end user consuming the updates on the client.

At the same time, designing strongly typed objects can reduce the headache of building and managing over time the interaction these objects have with the user interface layer of the application.

How do you design components that need to communicate with each other, while removing the constant dependency inherent with early bound objects in a way that is repeatable, and easy to manage? The following image illustrates this pattern, with a description below.

EventBroker

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