System.IO.IsolatedStorage.TwoLevelFileEnumerator.AdvanceRootDir C# (CSharp) Method

        private bool AdvanceRootDir()
        {
            ++m_nRootDir;
    
            if (m_nRootDir >= m_RootDir.Length)
            {
                m_nRootDir = m_RootDir.Length;  // to prevent wrap around
                return false;                   // We are at the very end.
            }
    
            m_SubDir = Directory.GetDirectories(m_RootDir[m_nRootDir]);

            if (m_SubDir.Length == 0)
                return AdvanceRootDir();        // recurse here.

            m_nSubDir  = 0;

            // Set m_Current
            UpdateCurrent();
    
            return true;
        }