Ejemplo n.º 1
0
        public CalendarItemList(Func <List <DateTime>, CancellationToken, Task <ICalendarItem[]> > fetchDataCallback)
        {
            // Setup the dispatcher for the UI thread
            _dispatcher = Microsoft.UI.Xaml.Window.Current.Dispatcher;

            _fetchDataCallback = (range, c) => fetchDataCallback(ConvertIndexRangeToDateTimeRange(range), c);

            _pivotDay = DateTimeOffset.Now.Date;



            // The ItemCacheManager does most of the heavy lifting. We pass it a callback that it will use to actually fetch data, and the max size of a request
            itemCache = new ItemCacheManager <ICalendarItem>(_fetchDataCallback, 50);
            itemCache.CacheChanged += ItemCache_CacheChanged;
        }
Ejemplo n.º 2
0
        private void ResetCollection()
        {
            // Unhook the old change notification
            if (itemCache != null)
            {
                itemCache.CacheChanged -= ItemCache_CacheChanged;
            }

            // Create a new instance of the cache manager
            itemCache = new ItemCacheManager <ICalendarItem>(_fetchDataCallback, 50);
            itemCache.CacheChanged += ItemCache_CacheChanged;
            if (CollectionChanged != null)
            {
                CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, null, null, 0, 0));
            }
        }