public IEnumerable<string> EnumerateFilesAndFolders(Snapshots.ISnapshotService snapshot)
{
foreach(var s in snapshot.EnumerateFilesAndFolders(this.AttributeFilter))
{
while (m_mixinqueue.Count > 0)
yield return m_mixinqueue.Dequeue();
yield return s;
}
while (m_mixinqueue.Count > 0)
yield return m_mixinqueue.Dequeue();
}