Now, let's convert the preceding example to see how we can apply this for a classic MVVM implementation.
MVVM is an important application development framework that has its roots with Windows Presentation Framework (WPF). It is best suited for event-driven programming where you achieve clear Separation of Concerns, thereby facilitating parallel development (Model, View, and View Model) and testability.
As you observe (no pun intended) in the preceding solution model, the
TextChanged event of the text box, where the word to be looked up is entered, will indicate to the
ISubject<T> type here, one that implements both