using System;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.Data;

using System.Data.OleDb;

using System.Diagnostics;

using System.IO;

using System.Linq;

using System.Threading;

using System.Xml;

using System.Xml.Linq;

using System.Xml.XPath;

using System.Globalization;

using System.Diagnostics;

using System.Runtime.CompilerServices;

​

public class Program

{

    public static void Main()

    {

        Properties p = new Properties(new [] {"hello","world"});

        p.ExtendedProperties.Dump();

    }

}

​

 public class Properties

 {

     public IDictionary<string, string> ExtendedProperties

     {

         get;

         set;

     }

     public Properties(string [] fields)

     {

         ExtendedProperties = new Dictionary<string, string> ();

         foreach(var s in fields)

         {

             ExtendedProperties.Add(s,string.Empty);

         }

     }

 }

​