DictionaryEntry Structure Defines a dictionary key/value pair that can be set or retrieved.

 
using System;
using System.Collections;

class Example
{
    public static void Main()
    {
        Hashtable openWith = new Hashtable();
        openWith.Add("A", "a");
        openWith.Add("B", "b");
        openWith.Add("C", "c");

        foreach (DictionaryEntry de in openWith)
        {
            Console.WriteLine("Key = {0}, Value = {1}", de.Key, de.Value);
        }
    }
}

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DictionaryEntry Structure Defines a dictionary key/value pair that can be set or retrieved. : Hashtable « Collections Data Structure « C# / C Sharp

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