#region Using directives

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

#endregion

namespace CarDelegate
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("***** Delegates as event enablers *****");

            // Make a car as usual. 
            Car c1 = new Car("SlugBug", 100, 10);

            // Register event handlers.          
            Car.Exploded d = new Car.Exploded(CarExploded);
            c1.OnAboutToBlow(new Car.AboutToBlow(CarIsAlmostDoomed));
            c1.OnAboutToBlow(new Car.AboutToBlow(CarAboutToBlow));
            c1.OnExploded(d);

            // Speed up (this will generate the events.)
            Console.WriteLine("\n***** Speeding up *****");
            for (int i = 0; i < 6; i++)
                c1.SpeedUp(20);

            // Remove CarExploded method 
            // from invocation list.
            c1.RemoveExploded(d);

            Console.WriteLine("\n***** Speeding up *****");
            for (int i = 0; i < 6; i++)
                c1.SpeedUp(20);

            Console.ReadLine();
        }

        public static void CarAboutToBlow(string msg)
        { Console.WriteLine(msg); }

        public static void CarIsAlmostDoomed(string msg)
        { Console.WriteLine("Critical Message from Car: {0}", msg); }

        public static void CarExploded(string msg)
        { Console.WriteLine(msg); }
    }
}
