Question

I have a ProductViewModel class which contains different properties.
Then I have a ProductDetailsViewModel class which inherit from ProducViewModel class. The reason I am doing it this way is in order to get correct binding environement and avoid duplication of properties from previous view.

I am allowed to do this or each ViewModel should be clearly isolated?

Through code I can acess the properties of the ProductViewModel class from ProductDetailsViewModel view but when I set the datacontext of my ProductDetailView to ProducDetailsViewModel class and bind properties URI for instance which is define inside the inherited class, binding seems not occurs.

Any idea ?

Answer 1

You can do this too, but i think maybe better would be to separate them and use Dependency Injection.

You create and interface for your ProductViewModel and implement it and then you inject this into your ProductDetailsViewModel.

MVVM + WPF + DI

MSDN DI