Let's assume I have this binding:

```
 <TextBlock Text="{Binding MyBaseProperty.MySubProperty}" />

```

Is it possible to tell WPF to listen to changes to `MyBaseProperty`? And whenever `MyBaseProperty` changes to (re-)query `MySubProperty` of `MyBaseProperty`?

The background behind this question is: I have a view model that contains a property (`MyBaseProperty`) pointing to an instance of a class that does not implement the `INotifyPropertyChanged` interface. The `DataContext` for this `TextBlock` however does implement the `INotifyPropertyChanged` interface and can therefore inform the view about changes to `MyBaseProperty`.

If would be great if you found to accomplish this kind of base-with-path-binding a way where I can get around ValueConverters and extending my ViewModel with `INotifyPropertyChanged`-backed Property wrappers for `MySubProperty`.