Extends Collection : Generic Collection : Generic C# Examples

    
using  System;
using  System.Collections;
using  System.Collections.Generic;
using  System.Collections.ObjectModel;
using  System.Text;

class  ConverterCollection<T>  :  Collection<T>
{
        private  Converter<T,T>  convert;

        public  ConverterCollection(Converter<T,T>  convert)
        {
                this.convert  =  convert;
        }

        protected  override  void  InsertItem(int  index,  T  item)
        {
                base.InsertItem(index,  convert(item));
        }
}

public  class  MainClass
{
        public  static  void  Main()
        {
                ConverterCollection<string>  c  =  new  ConverterCollection<string>(
                        delegate  (string  s)  {  return  s.ToUpper();  });
                c.Add("Hello");
                c.Add("World!");

                foreach  (string  s  in  c)
                        Console.WriteLine(s);
        }
}