using System;

using System.Collections.Generic;

using System.Linq.Expressions;

​

public class TestClass

{

    public int myField = 40;

}

​

public class Program

{

    public static void Main(string[] args)

    {

        Console.WriteLine("****************** C# Equivalent Output **************************\n\n");

​

        TestClass obj = new TestClass();

​

        Console.WriteLine(obj.myField);

​

        Console.WriteLine("\n\n***************** Expression Tree Output **************************\n\n");

​

        Expression fieldExpr = Expression.Field(

            Expression.Constant(obj),

            "myField"

        );

​

        Console.WriteLine(Expression.Lambda<Func<int>>(fieldExpr).Compile()());

    }

}

​