gistfile1.cs

//In app.xaml.cs
public void AppStartup()
{
    var containerBuilder = new ContainerBuilder();
    containerBuilder
        .RegisterAssembly(typeof(App).Assembly)
        .AssignableTo<IView>()
        .AsImplementedInterfaces();
    var container = containerBuilder.Build();
    container.Resolve<IUIService>().ShowDialog(container.Resolve<IMainView>());
    //this should be the only place the container is ever referenced
}


public interface IView {}
public interface IMyView {}
public partial class MyView : IMyView
{
    public MyView(MyViewModel viewModel)
    {
        DataContext = viewModel;
        InitaliseComponent();
    }
}

public class MyViewModel : ViewModelBase
{
    public MyViewModel()
    {
        //Could throw here if not in design time
    }

    public MyViewModel(ISomeDependency someDependency)
    {
        _someDependency = someDependency;
    }
}

//The only place we use ServiceLocator.Current is in our EventAggregator to resolve handlers for a particular event. i.e

Type handlerInterface = typeof(IHandleDomainEvent<>).MakeGenericType(domainEvent.GetType());
IEnumerable<object> allhandlers = ServiceLocator.Current.GetAllInstances(handlerInterface);