static void Main(string[] args)
{
//Create a new list
ListWithChangeEvent list = new ListWithChangeEvent();
//Create a class that listens for when the list is chnaged.
EventListener listener = new EventListener(list);
list.Add("hello");
list.Add("world");
list.Clear();
listener.Detatch();
void Default(char key)
{
if (key == 'e')
{
Console.Beep();
}
else if (key == 'r')
{
Console.Beep();
}
}
Console.ReadLine();
Console.ReadKey();
}
public void Detatch()
{
List.changed -= new ChangeEventHandler(OnListChanged);
List = null;
}
public EventListener(ListWithChangeEvent list)
{
List = list;
List.changed += new ChangeEventHandler(OnListChanged);
}
