Implementing A Data Model and Business Layer that Supports State Management

/***************************************************
 * Citrus.Core
 * (C) Benzi K. Ahamed 2007 
 * 
 * Core Citrus components
 * Part of the Citrus framework 
 ***************************************************/

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

namespace Citrus.Core
{
    public class ValueUpdateEventArgs<Item> : EventArgs
    {
        Item _oldItem;

        public Item OldItem
        {
            get { return _oldItem; }
            set { _oldItem = value; }
        }

        Item _newItem;

        public Item NewItem
        {
            get { return _newItem; }
            set { _newItem = value; }
        }

        public ValueUpdateEventArgs(Item oldItem, Item newItem)
        {
            this._oldItem = oldItem;
            this._newItem = newItem;
        }
    }
}