public event EventHandler WorkspaceClosed;        // Fired when the current workspace is closed

        protected BaseWorkspaceHelper()
        {
            _logHelper = LogHelper.Instance();

            // Grab a hook into the map
            if (ArcMap.Document.FocusMap != null)
            {
                IActiveViewEvents_Event events = ArcMap.Document.FocusMap as IActiveViewEvents_Event;
                events.ItemAdded   += new IActiveViewEvents_ItemAddedEventHandler(Events_ActiveViewItemAdded);
                events.ItemDeleted += new IActiveViewEvents_ItemDeletedEventHandler(Events_ActiveViewItemDeleted);
            }
            ArcMap.Events.ActiveViewChanged += new IDocumentEvents_ActiveViewChangedEventHandler(Events_ActiveViewChanged);
        }