//define method for raising event to notify registered objects, that event has occurred
//if class "sealed" make this method "private nonvirtual"
protected virtual void OnNewMail(NewMailEventArgs e)
{
EventHandler <NewMailEventArgs> handler = Volatile.Read(ref NewMail);
if (handler != null)
{
handler(this, e);
}
}
public void SimulateNewMail(String from, String to, String subject)
{
NewMailEventArgs newMail = new NewMailEventArgs(from, to, subject);
OnNewMail(newMail);
}
private void FaxMsg(Object sender, NewMailEventArgs e)
{
Console.WriteLine("Faxing mail message:");
Console.WriteLine(" From={0}, To={1}, Subject={2}",
e.From, e.To, e.Subject);
}