Determines whether the ListDictionary contains a specific key. : ListDictionary « Collections Data Structure « C# / C Sharp

1. C# / C Sharp
2. Collections Data Structure
3. ListDictionary

Determines whether the ListDictionary contains a specific key.

 

using System;
using System.Collections;
using System.Collections.Specialized;

public class SamplesListDictionary  {
   public static void Main()  {
      ListDictionary myCol = new ListDictionary();
      myCol.Add( "A", "1.49" );
      myCol.Add( "B", "0.99" );

      PrintKeysAndValues( myCol );
      if ( myCol.Contains( "A" ) )
         Console.WriteLine( "The collection contains the key \"A\"." );
      else
         Console.WriteLine( "The collection does not contain the key \"A\"." );
      Console.WriteLine();

   }

   public static void PrintKeysAndValues( IDictionary myCol )  {
      Console.WriteLine( "   KEY                       VALUE" );
      foreach ( DictionaryEntry de in myCol )
         Console.WriteLine( "   {0,-25} {1}", de.Key, de.Value );
      Console.WriteLine();
   }

}

   
  

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