Propagator in C# - An Alternative to the Observer Design Pattern

// Martijn Boeker, July 14, 2009
// License: The Code Project Open License (CPOL) 1.02

using MB.Propagators;
using System.Drawing;

namespace PropagatorDemo
{
    /// <summary>
    /// Represents a change of color.
    /// </summary>
    public class ColorChange : StateChange
    {
        /// <summary>
        /// ID of state change.
        /// </summary>
        public const int ID = (int) DemoStateChanges.ColorChangeID;

        /// <summary>
        /// New color.
        /// </summary>
        private Color _color;

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="color">New color.</param>
        public ColorChange(Color color)
            : base(ID)
        {
            _color = color;
        }

        /// <summary>
        /// Get new color.
        /// </summary>
        public Color Color
        {
            get
            {
                return _color;
            }
        }
    }
}