双击树节点,将其添加到ListBar中

private Infragistics.Win.UltraWinListBar.UltraListBar ultraListBar1;

private void InitializeComponent()
{
......
// ultraListBar1
//
this.ultraListBar1.Groups.Add(group1);
this.ultraListBar1.Location = new System.Drawing.Point(8, 8);
this.ultraListBar1.Name = "ultraListBar1";
......
}

private void treeView1_DoubleClick(object sender, System.EventArgs e)
{
Infragistics.Win.UltraWinListBar.Item item1 = new Infragistics.Win.UltraWinListBar.Item();
item1.Text=treeView1.SelectedNode.Text.ToString();
group1.Items.Add(item1);

}