using System;

using DryIoc;

public class Program

{

    public static void Main()

    {

        IContainer parent = new Container();

        IContainer child = parent.CreateChild();

​

        parent.Register<SomeType1>();

        child.RegisterDelegate<SomeType1>(_ => parent.Resolve<SomeType1>()); // very explicit about what you want to achieve

        Console.WriteLine("parent: " + parent.IsRegistered<SomeType1>());

        Console.WriteLine("child: " + child.IsRegistered<SomeType1>()); // still no but.. it can be resolved below

        var x = child.Resolve<SomeType1>();

        Console.WriteLine(x);

    }

    class SomeType1 {}

}