public ObservableSortListView(IList aParentList, CompareMethod <object> aSortMethod, DuplicateHandlingType aDuplicateHandling)
     : base(aParentList)
 {
     items = new AVLTreeSort <object> (aSortMethod, aDuplicateHandling);
 }
		public ObservableSortListView (IList aParentList, CompareMethod<object> aSortMethod, DuplicateHandlingType aDuplicateHandling)
			: base (aParentList)
		{
			items = new AVLTreeSort<object> (aSortMethod, aDuplicateHandling);
		}