static void Main(string[] args)
{
// Create a new list:
ArrayListWithChangedEvent list = new ArrayListWithChangedEvent();
// Create a class that listens to the list's change event:
EventListener listener = new EventListener(list);
// Add and remove items from the list:
list.Add("item 1");
list.Clear();
list.Add("item 2");
list.Add("item 3");
listener.Detach();
//There will be no event after this code
list.Add("item 4");
Console.ReadKey();
}
public void Detach()
{
// Detach the event and delete the list:
MyList.OnListChanged -= MyList_OnListChanged;
MyList = null;
}
public EventListener(ArrayListWithChangedEvent list)
{
MyList = list;
// Add "ListChanged" to the Changed event on "List":
MyList.OnListChanged += MyList_OnListChanged;
}
