connecting arpeggio

[Georges Roux]

hi lilyponders,

I have two voices and want to connect the arpeggio
have something like this

<< { <b-0 b'-2>4\arpeggio} \\ { <e-1>8.\arpeggio} >>

\set PianoStaff.connectArpeggios = ##t dont seem to work

Thanks

Georges

\version "2.6.3"
\header {
  title = ""
    subtitle = ""
      composer = ""
        style = "Classical"
          copyright = ""
            maintainer = "Georges Roux"
              lastupdated = "2005/07/10"
                filename  = "Bellevedere.ly"
                  instrument  = "Guitare"
                    piece = ""
                      }
global = {
    \clef "G_8"
        \time 2/4
            \key g \major
              }
midiStuff = {
  \set Staff.midiInstrument = "acoustic guitar (nylon)"
    }
upperVoice = \relative c' {
<e-0>2 <b-0 b'-2>4\arpeggio  %44
}

lowerVoice = \relative c {
b'8. <a-2\4>16 <gis-1>8. <fis-4>16 <e-1>8.\arpeggio <d-0>16 %44
}
Guitare = \simultaneous {
  \context Voice="upperVoice" { \voiceOne \upperVoice }
  \context Voice="lowerVoice" { \voiceFour \lowerVoice }
  }

\score {
  \context Staff="Musique" <<
    \midiStuff
    \global
    \Guitare
    >>
  \midi { \tempo 4=95 }
  \layout {
    linewidth = 180.000 \mm
    textheight = 250.000 \mm
    }
  }
#(set-default-paper-size "a4")
\paper {
    #(set-paper-size "a4")
    topmargin = 1\cm
    bottommargin = 1\cm
    }