C#webBrowser控制如何在鼠标指针下获取数据

using System;
using System.Windows.Forms;

namespace WebBrowserExample
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            webBrowser1.DocumentCompleted += WebBrowser1_DocumentCompleted;
        }

        private void WebBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            HtmlElement element = webBrowser1.Document.GetElementFromPoint(Cursor.Position);
            if (element != null)
            {
                string data = element.GetAttribute("data");
                if (!string.IsNullOrEmpty(data))
                {
                    MessageBox.Show($"Data: {data}");
                }
            }
        }
    }
}