Getting full File Path of the Selected Node in ADVTreeView

How do I get the entire file path of the selected node for example: "Audi\A5 series\A8".

With a regular TreeView:

function Path(aNode : tTreeView) : string;
begin
if aNode <> nil then
result := Path(aNode.Parent) + '' + aNode.Text
else
result := '';
end;

Thanks in Advance,

John

With this code:

function Path(aNode: TAdvTreeViewNode): string;
begin
  if aNode <> nil then
    result := Path(aNode.GetParent) + '\' + aNode.Text[0]
  else
    result := '';
end;