自動登錄qq空間,獲取最近訪客列表.

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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {

        Timer terAutologin = new Timer();
        public Form1()
        {
            InitializeComponent();


            terAutologin.Enabled = true;
            terAutologin.Interval = 3 * 1000;
            terAutologin.Tick  = ter_Tick;
        }

        void ter_Tick(object sender, EventArgs e)
        {
            if(wb1.Document==null)
            {
                return;
            }

            HtmlElement dialog_content_1 = wb1.Document.GetElementById("dialog_content_1");
            if (dialog_content_1 == null)
            {
                return;
            }

            var frame = wb1.Document.Window.Frames[0];
            if (frame==null)
            {
                return;
            }
            if (frame.Document==null)
            {
                return;
            }
            // iframe
            HtmlElement u = frame.Document.GetElementById("u");
            u.InnerText = "171586098";

            HtmlElement p = frame.Document.GetElementById("p");
            p.InnerText = "*************";
            p.SetAttribute("value", "********");

            HtmlElement login_button = frame.Document.GetElementById("login_button");
            login_button.InvokeMember("click");

            terAutologin.Stop();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            ssl1.Text = string.Empty;
            txtUrl.Text = "http://user.qzone.qq.com/14371939";
            wb1.ScriptErrorsSuppressed = true;


            wb1.Navigate("http://user.qzone.qq.com/14371939/main");
        }

        private void btnGO_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(txtUrl.Text))
            {
                wb1.Navigate(txtUrl.Text);
                ssl1.Text = txtUrl.Text   " Navigated";
            }
        }

        private void wb1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            System.Diagnostics.Trace.WriteLine(e.Url.ToString());
            //  http://g.cnc.qzone.qq.com/cgi-bin/friendshow/cgi_get_visitor_simple?uin=4371939&type=1&mask=3&rd=0.7801240284461528&_=1397644130601&g_tk=9281770

            ssl1.Text = e.Url.ToString()   " Completed";
            tryRead();
        }

        private void btnTest_Click(object sender, EventArgs e)
        {
            tryRead();
        }

        private void tryRead()
        {
            if (wb1.Document == null)
            {
                return;
            }

            HtmlElement pagediv = wb1.Document.GetElementById("visitor_list_page_con");
            if (pagediv==null)
            {
                return;
            }

            //若分頁內容存在,則表示已經加載過了.
            if(pagediv.Children.Count>0)
            {
                handlerAbc(null,null);
                return;
            }


            //模擬點擊 "最近訪客"
            var aa = pagediv.Parent.Parent.FirstChild.Children[2];
            aa.InvokeMember("click");


            //給訪問列表的容器綁定一個事件...回調時就能獲取到.
            HtmlElement guestlist = pagediv.Parent.FirstChild;
            //ul.RaiseEvent
            guestlist.AttachEventHandler("onpropertychange", new EventHandler(handlerAbc));
        }


        private void handlerAbc(Object sender, EventArgs e)
        {
            HtmlElement div = wb1.Document.GetElementById("visitor_list_page_con");
            HtmlElement guestlist = div.Parent.FirstChild;
            if (guestlist.InnerHtml.IndexOf("QZONE.FrontPage.showLoginBox") > -1)
            {
                HtmlElement alogin = guestlist.GetElementsByTagName("a")[0];

                alogin.InvokeMember("click");

                // 使用定時器.檢測登錄窗口的出現..
                terAutologin.Start();
                return;
            }
            else
            {
                System.Text.StringBuilder sb = new StringBuilder();
                // 取回里面的內容? 
                foreach (HtmlElement li in guestlist.Children)
                {
                    string qq = li.GetAttribute("uin");
                    string visitname = li.Children[1].FirstChild.InnerText;
                    string visittime = li.Children[1].Children[1].InnerText;

                    sb.AppendLine(qq   visitname   visittime);
                }

                MessageBox.Show(sb.ToString());
            }
        }

 
    }
}