Contains key : StringDictionary « Collections Data Structure « C# / C Sharp

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

Contains key

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

public class SamplesStringDictionary  {
   public static void Main()  {
      StringDictionary myCol = new StringDictionary();
      myCol.Add( "A", "a" );
      myCol.Add( "B", "b" );
      myCol.Add( "C", "c" );

      PrintKeysAndValues1( myCol );
      DictionaryEntry[] myArr = new DictionaryEntry[myCol.Count];
      myCol.CopyTo( myArr, 0 );

      if ( myCol.ContainsKey( "A" ) )
         myCol.Remove( "A" );
      PrintKeysAndValues1( myCol );
      myCol.Clear();
      PrintKeysAndValues1( myCol );
   }
   public static void PrintKeysAndValues1( StringDictionary myCol )  {
      foreach ( DictionaryEntry de in myCol )
         Console.WriteLine( "   {0,-25} {1}", de.Key, de.Value );
   }

}

   
  

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