using System;

using System.Collections.Generic;

using System.Linq;

using System.Linq.Expressions;

using System.Text;

using System.Threading.Tasks;

​

namespace Example

{

​

    public class MyModel

    {

        public string FirstName { get { return "John Jacob Jingleheimer Schmidt"; } }

    }

    public class Program

    {

        public static void Main()

        {

            var model = new MyModel();

            var result = Test(m => m.FirstName, model);

​

            Console.WriteLine(result);

        }

​

        public static TOut Test<TIn, TOut>(Expression<Func<TIn, TOut>> expression, TIn instance) where TOut: class

        {

            MemberExpression memberExpression = (MemberExpression)expression.Body;

            var member = memberExpression.Member;

​

            Console.WriteLine("The expression is a reference to '{0}.{1}'", member.DeclaringType.FullName, member.Name);

​

            var compiled = expression.Compile();

            var result = compiled(instance) as TOut;

​

            return result;

        }

    }

}

​