Unity - Inject different classes for the same interface

Question

I have one interface: IFoo
Two classes implementing that interface: FooOne and FooTwo
And two classes ClassOne and

Answer 1

I setup in my application like this

Installed Nuget Package Unity version 4.0.1

In my App.config

In My App.xaml.cs

var _container = new UnityContainer();
_container.LoadConfiguration();

IResolver _unityResolver = _container.Resolve("UnityResolver");
IResolver _ninject  = _container.Resolve("NinjectResolver");
MainWindow _win = _container.Resolve();