Reverse Pascal loop like in VB

I have a 'For' loop that displays pages in a Wizard.

The loop looks like this:

  for i := 0 to nodes.开发者_如何转开发Length - 1 do 

  begin

  end;

How to reverse it to display last items first? In VB, I would add a Step -1 to the loop to start with the last item. How to accomplish the same behavior in Pascal?

---

for i := nodes.Length - 1 downto 0 do 
  begin

  end;