NetIde.Core.Services.NotificationManager.NiNotificationManager.RemoveItem C# (CSharp) Méthode

        public HResult RemoveItem(int cookie)
        {
            try
            {
                NotificationItem wrapper;
                if (!_itemMap.TryGetValue(cookie, out wrapper))
                    return HResult.False;

                _itemMap.Remove(cookie);
                _items.Remove(wrapper);

                UpdateButton();

                if (_window != null)
                    _window.RedrawItems(_items);

                return HResult.OK;
            }
            catch (Exception ex)
            {
                return ErrorUtil.GetHResult(ex);
            }
        }