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Event and event handler

using System; using System.Collections.Generic; using System.Reflection; using System.Runtime.InteropServices; class MyClass : IDisposable {     public event EventHandler OnInitialized;     public event EventHandler OnDisposed;     public void Init()     {         // Initialize our state...         EventHandler onInit = OnInitialized;         if (onInit != null)             onInit(this, new EventArgs());     }     public void Dispose()     {         // Release our state...         EventHandler onDisp = OnDisposed;         if (onDisp != null)             onDisp(this, new EventArgs());     } } public class MainClass {    public static void Main(){         using (MyClass f = new MyClass())         {             f.OnInitialized += delegate { Console.WriteLine("init"); };             f.OnDisposed += delegate { Console.WriteLine("disposed"); };             f.Init();         }                } } init disposed