The role of the model in MVVM

Question

I\'ve read a few articles regarding the role of the (Data)Model in the MVVM pattern. However, i still could not figure what goes into the model.

Should the model imp

Answer 1

The model implements your business logic. The view model decorates your business logic for the purpose of displaying it and interacting with it, in a view (UI of some form, eg. web, winform, CLI). So, no, I would not say that your model should implement INotifyPropertyChanged unless it would do so as part of your core business logic.