public synchronized void makeVisible(int index){
  visibleIndex=index;
  ListPeer peer=(ListPeer)this.peer;
  if (peer != null) {
    peer.makeVisible(index);
  }
}

public synchronized void makeVisible ( int index ) { visibleIndex = index ; ListPeer peer = ( ListPeer ) this . peer ; if ( peer != null ) { peer . makeVisible ( index ) ; } }
makes the item at the specified index visible .
