An enum type that denotes the effects of the ListView. Available options are as follows None, SlideLeft, SlideDown, Zoom, Fade;
None - No animation is applied when items are added or removed from the ListView.SlideLeft - Items slide in from the left when added and slide out to the left when removed.SlideDown - Items slide in from the top when added and slide out to the top when removed.Zoom - Items zoom in or out when added or removed.Fade - Items fade in or out when added or removed.