获取treeview中当前鼠标所指的节点treenode

实现函数 

       /// <summary>

        /// 获取当前鼠标位置处的节点
        /// </summary>
        /// <param name="onlySuite">只在节点是用例集节点时返回（包括根节点）</param>
        /// <returns></returns>
        public static TreeNode GetMousePositionNode(TreeView tv)
        {
            Point point = tv.PointToClient(Control.MousePosition);
            TreeNode node = tv.GetNodeAt(point);

            return node;

        }

调用方法

 private void treeViewExplorer_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                TreeView tv = sender as TreeView;
                sourceTreeNode = TreeViewOp.GetMousePositionNode(tv);
                this.contextMenuStripTree.Show(Control.MousePosition);
            }
        }