private void wlastpos(int x)
        {
            string x2 = Convert.ToString(x);

            Filem.wpos(rootFileName, lastposp, x2);
        }
        private const char seperator = '|', ender = '@'; //Customizable
        private void wpos(int pos, BTreeNode b)
        {
            string what = nodeToString(b);

            Filem.wpos(fileName, (pos - 1) * maxSize, what);
        }
        private void wroot(int x)
        {
            string x2 = Convert.ToString(x);

            Filem.wpos(rootFileName, 0, x2);
        }