Represents a collection of associated String keys and String values : NameObjectCollectionBase « Collections Data Structure « C# / C Sharp

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

Represents a collection of associated String keys and String values

 

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

public class SamplesNameValueCollection  {

   public static void Main()  {
      NameValueCollection myCol = new NameValueCollection();
      myCol.Add( "A", "a" );
      myCol.Add( "B", "b" );
      myCol.Add( "C", "c" );
      PrintKeysAndValues( myCol );
      PrintKeysAndValues2( myCol );
      Console.WriteLine( "Index 1 contains the value {0}.", myCol[1] );
      Console.WriteLine( "Key \"A\" has the value {0}.", myCol["A"] );
      String[] myStrArr = new String[myCol.Count];
      myCol.CopyTo( myStrArr, 0 );
      foreach ( String s in myStrArr )
         Console.WriteLine( "   {0}", s );
      myCol.Remove( "A" );
      PrintKeysAndValues( myCol );
      myCol.Clear();
      PrintKeysAndValues( myCol );
   }

   public static void PrintKeysAndValues( NameValueCollection myCol )  {
      foreach ( String s in myCol.AllKeys )
         Console.WriteLine( "   {0,-10} {1}", s, myCol[s] );
   }

   public static void PrintKeysAndValues2( NameValueCollection myCol )  {
      for ( int i = 0; i < myCol.Count; i++ )
         Console.WriteLine( "   [{0}]     {1,-10} {2}", i, myCol.GetKey(i), myCol.Get(i) );
   }
}

   
  

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