if (start > INT_MAX)
result = _T("-1 -1");
else if (start + len > 0)
result << start << _T(" ") << start + len - 1;
else
result << start << _T(" -1");
if (start > INT_MAX)
result = _T("-1 -1");
else if (start + len > 0)
result << start << _T(" ") << start + len - 1;
else
result << start << _T(" -1");