1   /// <summary>
 2         /// /右键菜单
 3         ///  tl_TableMaintain是treeList控件
 4         ///  popu_Treelist是PopupMenu控件
 5         /// </summary>
 6         /// <param name="sender"></param>
 7         /// <param name="e"></param>
 8         private void tl_TableMaintain_MouseUp(object sender, MouseEventArgs e)
 9         {
10
11             TreeList tree = sender as TreeList;
12             if (e.Button == MouseButtons.Right
13                     && ModifierKeys == Keys.None
14                     && tl_TableMaintain.State == TreeListState.Regular)
15             {
16                 Point p = new Point(e.X + this.Location.X + 20, e.Y + this.Location.Y + 40);//设置出菜单现的位置
17                 TreeListHitInfo hitInfo = tree.CalcHitInfo(e.Location);
18                 if (hitInfo.HitInfoType == HitInfoType.Cell)
19                 {
20                     tree.SetFocusedNode(hitInfo.Node);
21                     TreeListNode node = hitInfo.Node;
22
23                 }
24                 else
25                 {
26                     tree.SetFocusedNode(null);
27                 }
28
29                 if (tree.FocusedNode != null)
30                 {
31                     popu_Treelist.ShowPopup(p);
32                 }
33
34             }
35         }
36
37         private void TreelistExpan(DevExpress.XtraTreeList.TreeList treeList1)
38         {
39             foreach (TreeListNode node in treeList1.Nodes)
40             {
41                 if (node.Level == 0)
42                 {
43
44                     node.ExpandAll();
45                     node.Nodes[1].Expanded = false;
46                 }
47             }
48         }

 /// <summary>/// 点击右键  添加   按钮触发/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btn_add_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e){//添加一个实体　　　　　　 //当添加一个实体的时候，需要在相应的树节点上添加该实体，先获取当前节点 TreeListNode node = this.tl_TableMaintain.FocusedNode;　　　　　　 // TreeListNode nodes = tl_TableMaintain.AppendNode(new object[] { tb.table_name_english }, node);//添加一个节点           //nodes.Tag = tb;//并将其绑定到tag中}