using System;

using Autofac;

​

public class Program

{

    public static void Main()

    {

        var builder = new ContainerBuilder();

        builder.RegisterType<MyService>().OnActivating(e => e.Instance.SetMyDependency(new MyDependency()));

        var container = builder.Build();

        container.Resolve<MyService>();

    }

}

​

public class MyService

{

    private MyDependency _myDependency;

    public void SetMyDependency(MyDependency myDependency)

    {

        _myDependency = myDependency;

        Console.WriteLine("SetMyDependency called");

    }

}

​

public class MyDependency

{

}