using System;
using System.ComponentModel;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;

namespace Introspection
{
    class Example
    {
        [Description("Description for Value")]
        public int Value;

        [Description("Description for OtherValue")]
        public int OtherValue { get; set; }
    }

    class Program
    {
        static void Main(string[] args)
        {
            var example = new Example { Value = 1, OtherValue = 2};
            
            DisplayDescription(example, e => e.Value);
            DisplayDescription(example, e => e.OtherValue);
        }

        static void DisplayDescription<T, TResult>(T source, Expression<Func<T, TResult>> f)
        {
            var member = f.Body as MemberExpression;
            if(member != null)
            {
                var name = member.Member.Name;
                var attributes = member.Member.GetCustomAttributes().OfType<DescriptionAttribute>().ToList();

                foreach(var attribute in attributes)
                    Console.WriteLine("{0}: {1}", name, attribute.Description);
            } // if
        }
    }
}