Installer.AfterRollback Event

using System;
using System.Collections;
using System.ComponentModel;
using System.Configuration.Install;

// Set 'RunInstaller' attribute to true.
[RunInstaller(true)]
public class MyInstallerClass: Installer
{

   public MyInstallerClass() :base()
   {
      // Attach the 'AfterRollback' event. 
      this.AfterRollback += new InstallEventHandler(MyInstaller_AfterRollBack);
   }
   // Event handler for 'AfterRollback' event. 
   private void MyInstaller_AfterRollBack(object sender, InstallEventArgs e)
   {
      Console.WriteLine("AfterRollBack Event occured.");
   }

   // Override the 'Install' method. 
   public override void Install(IDictionary savedState)
   {
      base.Install(savedState);
      // Explicitly throw an exception so that roll back is called. 
      throw new ArgumentException("Arg Exception");
   }
   // Override the 'Commit' method. 
   public override void Commit(IDictionary savedState)
   {
      base.Commit(savedState);
   }
   // Override the 'Rollback' method. 
   public override void Rollback(IDictionary savedState)
   {
      base.Rollback(savedState);
   }
   public static void Main()
   {
      Console.WriteLine("Usage : installutil.exe Installer_AfterRollback.exe ");
   }
}