Refactoring_to_improve_maintainability_and_blendability_using_IoC_part_2_02.cs

public class Bootstrapper
{
    private Container container = null;

    public Bootstrapper()
    {
        Initialize();
    }

    private void Initialize()
    {
        container = new Container();

        container.Register<IEventAggregator>(new EventAggregator());
        container.Register<IDatabase>(new Database());

        container.Register<MainViewModel>(c => new MainViewModel(
            c.Resolve<IEventAggregator>(),
            c.Resolve<IDatabase>()));

        container.Register<BrowserViewModel>(c => new BrowserViewModel());

        container.Register<SettingsViewModel>(c => new SettingsViewModel(
            c.Resolve<IDatabase>()));
    }
}