NameObjectCollectionBase is the base class for a collection of associated String keys and Object values : NameObjectCollectionBase « Collections Data Structure « C# / C Sharp

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

NameObjectCollectionBase is the base class for a collection of associated String keys and Object values

 

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

public class MyCollection : NameObjectCollectionBase
{
   public MyCollection()  {
   }
   public MyCollection( IDictionary d, Boolean bReadOnly )  {
      foreach ( DictionaryEntry de in d )  {
         this.BaseAdd( (String) de.Key, de.Value );
      }
      this.IsReadOnly = bReadOnly;
   }
   public DictionaryEntry this[ int index ]  {
      get  {
          return ( new DictionaryEntry( 
              this.BaseGetKey(index), this.BaseGet(index) ) );
      }
   }
   public Object this[ String key ]  {
      get  {
         return( this.BaseGet( key ) );
      }
      set  {
         this.BaseSet( key, value );
      }
   }
   public String[] AllKeys  {
      get  {
         return( this.BaseGetAllKeys() );
      }
   }
   public Array AllValues  {
      get  {
         return( this.BaseGetAllValues() );
      }
   }
   public String[] AllStringValues  {
      get  {
         return( (String[]) this.BaseGetAllValues( typeof( string ) ));
      }
   }
   public Boolean HasKeys  {
      get  {
         return( this.BaseHasKeys() );
      }
   }
   public void Add( String key, Object value )  {
      this.BaseAdd( key, value );
   }
   public void Remove( String key )  {
      this.BaseRemove( key );
   }
   public void Remove( int index )  {
      this.BaseRemoveAt( index );
   }
   public void Clear()  {
      this.BaseClear();
   }

}

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( "D", "d" );
      PrintKeysAndValues( myROCol );
      MyCollection myRWCol = new MyCollection();
      myRWCol.Add( "Q", "q" );
      PrintKeysAndValues( myRWCol );

      myRWCol["o"] = "g";
      PrintKeysAndValues( myRWCol );
      myRWCol.Remove( "b" );
      PrintKeysAndValues( myRWCol );
      myRWCol.Clear();
      PrintKeysAndValues( myRWCol );

   }
   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 );
      }
   }
   public static void PrintKeysAndValues2( MyCollection myCol )  {
      foreach ( String s in myCol.AllKeys )  {
         Console.WriteLine( "{0}, {1}", s, myCol[s] );
      }
   }
}

   
  

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