Difference between TMSFNCTreeView.Nodes[] and TMSFNCTreeView.Nodes.Items[]

What is the difference between TMSFNCTreeView.Nodes[] and TMSFNCTreeView.Nodes.Items[] ?

There is no difference. TMSFNCTreeView.Nodes[] is the same as TMSFNCTreeView.Nodes.Items[] because of the default property flag on the Items property of the collection.