Binary Search Tree Node Class (database engine) - GetPrevInSortedOrder & GetNextInSortedOrder

THE ARTICLE IS REDUNDANT NOW - PLEASE SEE ORIGINAL ARTICLE [ Binary Search Tree Node Class (database engine) ] ALL NEW WORK AND CHANGES ARE INCLUDED THERE ........Supplements existing article by similar name and by this author. This is a new release and includes the extra member functions in cBSTNStorage.cls in order to allow node removal. (INCLUDES major bug fix to preserve data index during node removal).