private static void Main(string[] args)
{
var conReader = new ConsoleReader();
var eventObserver = new EventObserver(conReader);
Console.WriteLine("Inpute quit (case-sensitive) to stop");
do
{
conReader.InputString = Console.ReadLine();
}while (conReader.Flag);
}
public EventObserver(ConsoleReader reader)
{
this.DataSource = reader;
reader.Register(this);
}