代码添加tree和快捷键

 ZoneAdd zone = new ZoneAdd();
            //zone.Controls.Clear();
            //TreeView tree = new TreeView();
            //zone.Controls.Add(tree);
            //ContextMenuStrip menuStrip = new ContextMenuStrip();
            //menuStrip.TopLevel = false;
            //menuStrip.Text = "商品类型的快捷设置";
           
            //ToolStripItem add;
            //   add = new System.Windows.Forms.ToolStripMenuItem();
            //ToolStripItem delete=;
            //add.Text = "添加"; delete.Text = "删除";
            //menuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            //add,delete
            //});
            //tree.Controls.Add(menuStrip);
            //tree.ContextMenuStrip = menuStrip;