Event and event handler : event « GUI Windows Forms « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. GUI Windows Forms
3. event

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