private int lastpos()
{
return(Convert.ToInt32(Filem.rpos(rootFileName, lastposp, maxSize)));
}
private BTreeNode rpos(int pos)
{
return(stringToNode(Filem.rpos(fileName, (pos - 1) * maxSize, maxSize) + '@'));
}
//private BTreeNode[] nodes;
private int root()
{
return(Convert.ToInt32(Filem.rpos(rootFileName, 0, maxSize)));
}