The main difference between the facade and the adapter pattern is that the facade pattern does not change the interface of the system, but only simplifies it, while the adapter pattern changes the ...

GoF: Gang of Four, four persons that bring the thought of patterns into software engineering. Design patterns: elements of reusable object-oriented software: a book that marks the beginning of design ...

This pattern can be used to implement behavior where you need asynchronous wiring (event notification) between objects. We’re implementing this pattern in the EventDelegate namespace.

The Observer Pattern is a behavioral design pattern that defines a one-to-many dependency between objects so that when one object (the subject) changes state, all its dependents (observers) are ...