using System;

using SimpleInjector;   

​

public class Program

{

    public static IFactory Factory { get; set; }

    public interface IFactory { T GetInstance<T>() where T: class; }

    public class SimpleFactory: IFactory

    {

        private readonly Container _container;

        public SimpleFactory(Container container) { this._container = container; }

        public T GetInstance<T>() where T : class { return _container.GetInstance<T>(); }

    }

    public class Bar { public int Get() { return 1; } }

​

    public static class Foo

    {

        //static Foo() {}

        public static readonly int foo = Factory.GetInstance<Bar>().Get();

    }

    public static void Main()

    {

        var container = new Container();

        var factory = new SimpleFactory(container);

        container.RegisterInstance(Factory = factory);

        container.Register<Bar>();

        Console.WriteLine(Foo.foo);

    }

}