how to remove or hide tree node in dev express navbar control containing treelist, using code

Question

how to remove or hide tree node in dev ex press navbar control containing treelist, using codeemphasized text

 foreach (ToolStripMenuItem mi in mastersToolStripMenuItem.DropDownItems)
            {
                if (mi.Text == "Batch")
                {
                    mastersToolStripMenuItem.DropDownItems.Remove(mi);                       
                }
            }

and

foreach (ToolStripMenuItem mi in mastersToolStripMenuItem.DropDownItems)
            {
                if (mi.Text == "Batch")
                {
                    mi.visible=fase;                   
                }
            }

both not working

Answer 1

some how got the answer

treeListMaster.Nodes[4].Nodes.RemoveAt(7);
treeListMaster.Refresh();