The VisibleItemCount property specifies the number of visible items in the list. For instance, you can use the VisibleItemCount property to specify the number of items being displayed after a filter is applied. The VisibleCount property retrieves the number of items being displayed in the control's client area. Use  FirstVisibleItem and NextVisibleItem properties to determine the items being displayed in the control's client area. Use the IsItemVisible property to check whether an item fits the control's client area. Use the ItemCount property to count the items in the control. Use the ChildCount property to count the child items