//鼠标点击的节点设为焦点 private void treeList1_MouseDown(object sender, MouseEventArgs e) { DevExpress.XtraTreeList.TreeList treelist = sender as DevExpress.XtraTreeList.TreeList; if (treelist == null) { return; } Point pt = new Point(e.X, e.Y); DevExpress.XtraTreeList.TreeListHitInfo ht = treeList1.CalcHitInfo(pt); if (ht != null && ht.Node != null) { treeList1.FocusedNode = ht.Node; } treeList1.OptionsBehavior.Editable = false; treeList1.CloseEditor(); }