ArcMapAddinVisibility.ViewModels.MainViewModel.Events_ActiveViewChanged C# (CSharp) Метод

        void Events_ActiveViewChanged()
        {
            map = ArcMap.Document.FocusMap as IMap;

            if (map == null)
                return;

            // hook events

            var viewEvents = map as IActiveViewEvents_Event;
            if (viewEvents == null)
                return;

            viewEvents.FocusMapChanged += viewEvents_FocusMapChanged;
            viewEvents.ItemAdded += viewEvents_ItemAdded;
            viewEvents.ItemDeleted += viewEvents_ItemDeleted;

            NotifyMapTOCUpdated();
        }