コード例 #1
0
ファイル: Controller.cs プロジェクト: Kayomani/FAP
        /// <summary>
        /// Adds a weak event listener for a CollectionChanged event.
        /// </summary>
        /// <param name="source">The source of the event.</param>
        /// <param name="handler">The event handler.</param>
        /// <exception cref="ArgumentNullException">source must not be <c>null</c>.</exception>
        /// <exception cref="ArgumentNullException">handler must not be <c>null</c>.</exception>
        protected void AddWeakEventListener(INotifyCollectionChanged source, NotifyCollectionChangedEventHandler handler)
        {
            if (source == null) { throw new ArgumentNullException("source"); }
            if (handler == null) { throw new ArgumentNullException("handler"); }

            CollectionChangedEventListener listener = new CollectionChangedEventListener(source, handler);

            collectionChangedListeners.Add(listener);

            CollectionChangedEventManager.AddListener(source, listener);
        }