private void advTree1_MouseDown(object sender, MouseEventArgs e){if (e.Button == MouseButtons.Right)//判斷你點的是不是右鍵{Point ClickPoint = new Point(e.X, e.Y);Node CurrentNode =advTree1.GetNodeAt(ClickPoint);if (CurrentNode != null)//判斷你點的是不是一個節點{ContextMenu menu = new System.Windows.Forms.ContextMenu(); MenuItem i = new MenuItem();i.Text = "llllll";menu.MenuItems.Add(i);CurrentNode.ContextMenu = menu;advTree1.SelectedNode = CurrentNode;//選中這個節點}}}
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