更改火狐主页与服务器网络检测

主程序：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Diagnostics;
using System.Text.RegularExpressions;
namespace Maintenance
{
    public partial class frm_Main : Form
    {
        int app_count = 0;
        public frm_Main()
        {
            InitializeComponent();
        }

        #region 火狐设置
        private void Firefox_Set_button_Click(object sender, EventArgs e)
        {
            //主页设置
            string Set_Path = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"MozillaFirefoxprofiles.ini";
            string Path2 = "";
            List<string> str = new List<string>();
            using (StreamReader reader = File.OpenText(Set_Path))
            {
                string line = "";
                while ((line = reader.ReadLine()) != null)
                {
                    str.Add(line);
                }            
            }
            string NewPath = "";
            if (str.Where(n => n.Equals("[Profile0]")).ToArray().Length > 0)
            {
                string temp=str.Where(n => n.Contains("Path")).ToArray()[0];
                Path2 = temp.Substring(5, temp.Length - 5);
                NewPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"MozillaFirefox" + Path2 + @"prefs.js";
            }
            if (str.Where(n => n.Equals("[Profile1]")).ToArray().Length > 0)
            {
                string temp = str.Where(n => n.Contains("Path")).ToArray()[0];
                Path2 = temp.Substring(5, temp.Length - 5);
                NewPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"MozillaFirefox" + Path2 ;
            }

            StringBuilder builder = new StringBuilder();
            using (StreamReader reader = File.OpenText(NewPath))
            {
                string line = "";
                bool flag = true;
                while ((line = reader.ReadLine()) != null)
                {
                    if (line.Contains(""browser.startup.homepage"")&&flag==true)
                    {
                        builder.Append("user_pref("browser.startup.homepage", ""+this.HomePage_textBox.Text.Trim()+"");
");
                        flag = false;
                    }
                    else
                    {
                        builder.Append(line+"
");
                    }
                }
            }
            File.WriteAllText(NewPath, builder.ToString());
           
            if(File.Exists(@"C:Program Files (x86)Mozilla Firefoxfirefox.exe"))
            {
                Process pro = Process.Start(@"C:Program Files (x86)Mozilla Firefoxfirefox.exe");
                pro.StartInfo.WindowStyle = ProcessWindowStyle.Maximized;
                pro.WaitForInputIdle(1000);
                if (pro.Responding)
                {
                    SendKeys.SendWait("{F11}");
                }
            }
        }
        #endregion

        #region 界面初始化

        private void Init()
        {
            //设置主页
            this.HomePage_textBox.Text = System.Configuration.ConfigurationSettings.AppSettings["HomePage"];
        }
        private void frm_Main_Load(object sender, EventArgs e)
        {
            this.Init();
            this.app_timer.Start();
        }
        #endregion

        #region 退出
        private void Exit_button_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
        #endregion

        private void PingServer_button_Click(object sender, EventArgs e)
        {
            Process p = new Process();
            p.StartInfo.FileName = "cmd.exe";
            p.StartInfo.UseShellExecute = false;
            p.StartInfo.RedirectStandardInput = true;
            p.StartInfo.RedirectStandardOutput = true;
            p.StartInfo.RedirectStandardError = true;
            p.StartInfo.CreateNoWindow = true;

            p.Start();
            p.StandardInput.WriteLine("ping -n " + System.Configuration.ConfigurationSettings.AppSettings["PingCount"] + " " + System.Configuration.ConfigurationSettings.AppSettings["ServerIP"]);
            p.StandardInput.WriteLine("exit");
            string strRst = p.StandardOutput.ReadToEnd();
            //计数
            int count = 0;
            MatchCollection m1 = Regex.Matches(strRst, @"(0% loss)");
            MatchCollection m2 = Regex.Matches(strRst, @"Destination host unreachable.");
            MatchCollection m3 = Regex.Matches(strRst, @"Request timed out.");
            MatchCollection m4 = Regex.Matches(strRst, @"Unknown host");
            count = m1.Count + m2.Count + m3.Count + m4.Count;;

            File.WriteAllText(System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + @"log.txt", strRst, Encoding.UTF8);
            if (count >= int.Parse(System.Configuration.ConfigurationSettings.AppSettings["AlarmCount"]))
            {
                Process.Start(System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + @"log.txt");
                MessageBox.Show("网络不稳定，请检查！", "提示");
            }
            else
            {
                File.Delete(System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + @"log.txt");
                MessageBox.Show("网络稳定！", "提示");
            }
        }

        #region 检查程序关闭时间
        private void app_timer_Tick(object sender, EventArgs e)
        {
            app_count++;
            if (app_count == 60 * int.Parse(System.Configuration.ConfigurationSettings.AppSettings["AppTime"]))
            {
                Application.Exit();
            }
        }
        #endregion

        #region 一键设置客户端
        private void ClientSet_button_Click(object sender, EventArgs e)
        {
            Firefox_Set_button_Click(null, null);
            PingServer_button_Click(null,null);
        }
        #endregion
    }
}

配置文件：

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <appSettings>
    <add key="HomePage" value="http://www.cnblogs.com/"/>   <!--服务器主页-->
    <add key="ServerIP" value="192.168.1.1"/>               <!--服务器IP-->
    <add key="PingCount" value="100"/>                      <!--Ping服务器次数-->
    <add key="AlarmCount" value="5"/>                       <!--报警次数-->
    <add key="AppTime" value="10"/>                         <!--程序运行时间，以分钟为单位-->
  </appSettings>
</configuration>