public bool MoveNext()
{
AssertNoChanges();
if (_currentPage == null)
{
throw new InvalidOperationException("No current page was set");
}
while (_currentPage != null)
{
_currentPage.LastSearchPosition++;
if (_currentPage.LastSearchPosition < _currentPage.NumberOfEntries)
{
// run out of entries, need to select the next page...
while (_currentPage.IsBranch)
{
_parent._cursor.Push(_currentPage);
var childParentNumber = _parent.PageValueFor(_currentPage, _currentPage.LastSearchPosition);
_currentPage = _parent._tx.GetReadOnlyFixedSizeTreePage(childParentNumber);
_currentPage.LastSearchPosition = 0;
}
return(true);// there is another entry in this page
}
if (_parent._cursor.Count == 0)
{
break;
}
_currentPage = _parent._cursor.Pop();
}
_currentPage = null;
return(false);
}
