C# qq空间登录用的webbrowser 报错
调试的时候地址：http://user.qzone.qq.com/号码，试了好多次，偶尔能登陆成功，不成功的时候报错：未将对象引用设置到对象的实例，位置在代码那里注释出了，有时候也报错：“0”的值对于“index”无效 index”应介于 0 和 -1 之间，也是那个位置，我自己觉得可能是文档没完全加载或者线程问题，C#不熟，大家帮忙是什么原因或者怎么调整，代码也不多，谢谢大家
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
namespace ReadCSV
{
public partial class Form1 : Form
{
Thread loginThread1 = null;
Thread loginThread2 = null;
Mutex mutex = null;
public delegate void webBrowserDocReq();
private webBrowserDocReq wbdr;
public Form1()
{
InitializeComponent();
this.wbdr = new webBrowserDocReq(loginMethod);
}
private void buttonLogin_Click(object sender, EventArgs e)
{
loginThread1 = new Thread(btnNavi);
loginThread2 = new Thread(btnLogin);
mutex = new Mutex();
loginThread1.Start();
loginThread2.Start();
}
private void btnNavi()
{
lock (this)
{
mutex.WaitOne();
webBrowser1.Navigate(new Uri(textUrl.Text.ToString()));
Thread.Sleep(2000);
mutex.ReleaseMutex();
}
}
private void btnLogin()
{
lock (this)
{
mutex.WaitOne();
webBrowser1.Invoke(this.wbdr);//总是在这报错
Thread.Sleep(1500);
mutex.ReleaseMutex();
}
}
private void loginMethod()
{
HtmlDocument doc = webBrowser1.Document.Window.Frames[0].Document;
doc.GetElementById("u").InnerText = textName.Text;
doc.GetElementById("p").InnerText = textPwd.Text;
doc.GetElementById("login_button").InvokeMember("click");
}
private void textUrl_TextChanged(object sender, EventArgs e)
{
}
private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void label2_Click(object sender, EventArgs e)
{
}
private void label3_Click(object sender, EventArgs e)
{
}
private void label1_Click(object sender, EventArgs e)
{
}
private void textName_TextChanged_1(object sender, EventArgs e)
{
}
private void textPwd_TextChanged_1(object sender, EventArgs e)
{
}
private void webBrowser1_DocumentCompleted_1(object sender, WebBrowserDocumentCompletedEventArgs e)
{
}
}
}
