Узнать стандартные папки windows

procedure TForm1.Button1Click(Sender: TObject);
var
   reg : TRegistry;
   ts : TStrings;
   i : integer;
begin
   reg := TRegistry.Create;
   reg.RootKey := HKEY_CURRENT_USER;
   reg.LazyWrite := false;
   reg.OpenKey(
   'Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders',
               false);
     ts := TStringList.Create;
     reg.GetValueNames(ts);
     for i := 0 to ts.Count -1 do begin
       Memo1.Lines.Add(ts.Strings[i] +
                       ' = ' +
                       reg.ReadString(ts.Strings[i]));
     end;
     ts.Free;
   reg.CloseKey;
   reg.free;
end;