using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace AjaxSpider
{
    public partial class main : Form
    {
        public main()
        {
            InitializeComponent();
            wb.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(onDocumentLoaded);
        }
        private void onDocumentLoaded(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            WebBrowser wb = sender as WebBrowser;
            if (wb != null) txtHTML.Text = wb.Document.Body.InnerHtml;
            btnDown.Enabled = true;
            btnDown.Text = "下载";
        }
        private void btnDown_Click(object sender, EventArgs e)
        {
            if (txtUrl.Text == "" || (!txtUrl.Text.StartsWith("http://") && !txtUrl.Text.StartsWith("https://")))
            {
                MessageBox.Show("请输入正确的URL地址！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                txtUrl.Select();
            }
            else
            {
                btnDown.Text = "正在解析页面...";
                btnDown.Enabled = false;
                wb.Navigate(txtUrl.Text);
            }
        }
    }
}