// Test the ListWithChangedEvent class.
public static void Main()
{
// Create a new list.
ListWithChangedEvent list = new ListWithChangedEvent();
// 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();
listener.Detach();
}
public void Detach()
{
// 分离事件并删除列表：
List.Changed -= new EventHandler(ListChanged);
List = null;
}
public EventListener(ListWithChangedEvent list)
{
List = list;
// 将“ListChanged”添加到“List”中的 Changed 事件：
List.Changed += new EventHandler(ListChanged);
}
// 测试 ListWithChangedEvent 类：
public static void Main()
{
// 创建新列表：
ListWithChangedEvent list = new ListWithChangedEvent();
// 创建一个类，用于侦听列表的更改事件：
EventListener listener = new EventListener(list);
// 在列表中添加和移除项。
list.Add("item 1");
list.Clear();
listener.Detach();
}
public void Detach()
{
// Detach the event and delete the list
List.Changed -= new ChangedEventHandler(ListChanged);
List = null;
}
public EventListener(ListWithChangedEvent list)
{
List = list;
// Add "ListChanged" to the Changed event on "List".
List.Changed += new ChangedEventHandler(ListChanged);
}
public EventListner(ListWithChangedEvent list)
{
List = list;
List.Changed += new ChangedEventHandler(ListChanged);
}
public static void Main(string[] a)
{
ListWithChangedEvent list = new ListWithChangedEvent();
EventListner ev = new EventListner( list );
list.Add("item1");
list.Clear();
ev.Detach();
}
public EventListener(ListWithChangedEvent list)
{
List = list;
// добавления "ListChanged" к событию Changed для "List".
List.Changed += new ChangedEventHandler(ListChanged);
}
public void Detach()
{
// Отсоединение события и удаление списка
List.Changed -= new ChangedEventHandler(ListChanged);
List = null;
}
public static void Main()
{
// Тестирование класса ListWithChangedEvent.
ListWithChangedEvent list = new ListWithChangedEvent(); // Создание нового списка.
EventListener listener = new EventListener(list); // Создание класса, ожидающего событий изменения списка.
list.Add("item 1"); // Добавление и удаление элементов списка.
list.Clear();
listener.Detach();
}
public void Detach()
{
// Detach the event and delete the list
List.Changed -= new ChangedEventHandler(ListChanged);
List = null;
}
public static void Main()
{
ListWithChangedEvent list = new ListWithChangedEvent ();
EventListener listener = new EventListener (list);
list.Add ("item 1");
list.Clear ();
listener.Detach ();
}
public void Detach()
{
List.Changed -= new ChangedEventHandler (ListChanged);
List = null;
}
static void Main(string[] args)
{
// Create a new list.
ListWithChangedEvent list = new ListWithChangedEvent();
// Create a class that listens to the list's change event.
EventListener listener = new EventListener(list);
list.Add("item 1");
string value = (string)list[0];
Console.WriteLine("Called get: " + value);
list.Clear();
listener.Detach();
Console.WriteLine("No longer listening for the event.");
list.Add("item 2");
}
