using System;

using System.Linq;

using System.Reflection;

using System.Collections.Generic;

​

public static class ObjectExtensions

{

    public static object GetPropertyValue(this object someObj, string propName)

    {

        if (someObj == null)

            return null;

        PropertyInfo prop = someObj.GetType().GetProperty(propName);

        if (prop != null)

            return prop.GetValue(someObj, null);

        return null;

    }

}

​

public class Program

{

    public static void Main()

    {

        var lista = new List<MinhaClasse>()

        {

        new MinhaClasse()

        {

        Id = 1, Value = "Valor 1"

        }

​

        , new MinhaClasse()

        {

        Id = 2, Value = "Valor 2"

        }

        }

​

        ;

        var listaAnonima = lista.Select(x => new

        {

        Teste = x.Id

        }

​

        ).ToList();

        listaAnonima.ForEach(HandlerAnonymous);

    }

​

    public static void HandlerAnonymous(object obj)

    {

        Console.WriteLine(obj.GetPropertyValue("Teste"));

    }

​

    class MinhaClasse

    {

        public long Id

        {

            get;

            set;

        }

​

        public string Value

        {

            get;

            set;

        }

    }

}