ex-09-19

Programming Csharp Source Code(代码) Programming Csharp Source Code

// Example 09-19: Using the IDictionaryEnumerator interface

namespace Programming_CSharp
{
   using System;
   using System.Collections;
  
   // a simple class to store in the array
   public class Tester
   {

      static void Main()
      {
         // Create and initialize a new Hashtable.
         Hashtable hashTable = new Hashtable();
         hashTable.Add("000440312", "George Washington");
         hashTable.Add("000123933", "Abraham Lincoln");
         hashTable.Add("000145938", "John Galt");
         hashTable.Add("000773394", "Ayn Rand");

         // Display the properties and values of the Hashtable.
         Console.WriteLine( "hashTable" );
         Console.WriteLine( "  Count:    {0}", hashTable.Count );
         Console.WriteLine( "  Keys and Values:" );
         PrintKeysAndValues( hashTable );
      }

      public static void PrintKeysAndValues( Hashtable table )  
      {
         IDictionaryEnumerator enumerator = table.GetEnumerator();
         while ( enumerator.MoveNext() )
            Console.WriteLine( "\t{0}:\t{1}", 
               enumerator.Key, enumerator.Value );
         Console.WriteLine();
       
      }
   }
}