//------
        public void Add(Swimmer sw)
        {
            TreeNode nod;

            //add a root node
            nod = tree.Nodes.Add(sw.getName());
            //add a child node to it
            nod.Nodes.Add(sw.getTime().ToString());
            tree.ExpandAll();
        }
        private void btClone_Click(object sender, EventArgs e)
        {
            int i = lskids.SelectedIndex();

            if (i >= 0)
            {
                Swimmer sw = swdata.getSwimmer(i);
                lsnewKids.Add(sw.getName() + "\t" + sw.getTime());
                m_lsNewKids.Add(sw);
                m_lsNewGridKids.Add(sw);
                m_lsKids.clearSelection();
                lskids.clearSelection();
            }
        }
 public void Add(Swimmer sw)
 {
     listbox.Items.Add(sw.getName() + "\t" + sw.getTime());
 }