Whether NameObjectCollectionBase is read-only. : NameObjectCollectionBase « Collections Data Structure « C# / C Sharp

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

Whether NameObjectCollectionBase is read-only.

 

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

public class MyCollection : NameObjectCollectionBase  {
   private DictionaryEntry _de = new DictionaryEntry();
   public DictionaryEntry this[ int index ]  {
      get  {
         _de.Key = this.BaseGetKey( index );
         _de.Value = this.BaseGet( index );
         return( _de );
      }
   }
   public MyCollection( IDictionary d, Boolean bReadOnly )  {
      foreach ( DictionaryEntry de in d )  {
         this.BaseAdd( (String) de.Key, de.Value );
      }
      this.IsReadOnly = bReadOnly;
   }
   public void Add( String key, Object value )  {
      this.BaseAdd( key, value );
   }

}

public class SamplesNameObjectCollectionBase  {

   public static void Main()  {
      IDictionary d = new ListDictionary();
      d.Add( "A", "a" );
      d.Add( "B", "b" );
      d.Add( "C", "c" );
      MyCollection myROCol = new MyCollection( d, true );
      myROCol.Add( "Q", "q" );
      PrintKeysAndValues( myROCol );
   }
   public static void PrintKeysAndValues( MyCollection myCol )  {
      for ( int i = 0; i < myCol.Count; i++ )  {
         Console.WriteLine( "[{0}] : {1}, {2}", i, myCol[i].Key, myCol[i].Value );
      }
   }

}

   
  

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