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   源码介绍

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添加程序进程名称，检测到进程运行就会关闭该进程，同时开启做题，做题结束后方可运行！关闭程序会在后台继续检测！

程序不会被强制关闭，紧急情况可在进程名内添加我爱学习杀掉自身！

亲测可用

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;

namespace 我爱学习
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void HideMainForm()
        {
            this.Hide();
        }

        private void ShowMainForm()
        {
            this.Show();
            this.WindowState = FormWindowState.Normal;
            this.Activate();
        }


#region 窗体关闭时最小化到托盘
        private void frmMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
            timer1.Start();
            HideMainForm();
        }
        #endregion
        private void button1_Click(object sender, EventArgs e)
        {
            
            listBox1.Items.Add(comboBox1.Text);
            comboBox1.Focus();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            timer1.Start();
            comboBox1.Items.Add("QQ");
            comboBox1.Items.Add("hyxd");
        }
        int i = 0;
        //检测进程是否开启
        private void timer1_Tick(object sender, EventArgs e)
        {
            if(listBox1.Items.Count>0)
            {
                if (IsProcessStarted(listBox1.Items[i].ToString()))
                {
                    timer1.Stop();
                    KillProcess(listBox1.Items[i].ToString());
                    MessageBox.Show("系统检测到您当前，打开了"   listBox1.Items[i].ToString()   "请开始做题！中间出错重新开始哦！", "系统提示：");
                    ShowMainForm();
                    timer1.Start();
                    button4.Enabled = true;
                }
                i  ;
                if (i > listBox1.Items.Count || i == listBox1.Items.Count)
                {
                    i = 0;
                }
            }
           
        }
        /// <summary>
        /// 关闭进程
        /// </summary>
        /// <param name="processName">进程名</param>
        private void KillProcess(string processName)
        {
            Process[] myproc = Process.GetProcesses();
            foreach (Process item in myproc)
            {
                if (item.ProcessName == processName)
                {
                    item.Kill();
                }
            }

        }
        /// <summary>

        /// 此函数用于判断某一外部进程是否打开

        /// </summary>

        /// <param name="processName">参数为进程名</param>

        /// <returns>如果打开了，就返回true，没打开，就返回false</returns>

        private bool IsProcessStarted(string processName)

        {

            Process[] temp = Process.GetProcessesByName(processName);

            if (temp.Length > 0) return true;

            else

                return false;

        }
        List<string> key = new List<string>() ;
        //添加进程
        private void button2_Click(object sender, EventArgs e)
        {
            listBox2.Items.Clear();
            string selUrl=null;
            openFileDialog1.Filter = "文本文件|*.txt";//打开文件类型
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {

                selUrl = openFileDialog1.FileName;
                q = 0;


            }
            else return;
            string[] line = File.ReadAllLines(selUrl, Encoding.Default); 
            
            //遍历第10行
            
            //遍历所有行
            for (int i = 0; i < line.Length; i  )
            {
                string str = line[i].ToString();
                try
                {
                    string[] bit = Regex.Split(str, "猫九先森", RegexOptions.IgnoreCase);
                    key.Add(bit[1]);
                    listBox2.Items.Add(bit[0]);
                    progressBar1.Maximum = i;
                }
                catch
                {
                    MessageBox.Show("分隔符有误或者问题含有分隔符！", "系统提示：");
                    return;
                }

            }
            richTextBox1.Text = listBox2.Items[q].ToString();
        }
        int q = 0;


        //导入问题
        private void button4_Click(object sender, EventArgs e)
        {
            q  ;
           
            try
            {
                if (textBox1.Text != "" && textBox1.Text == key[q - 1].ToString())
                {
                    if (q == listBox2.Items.Count)
                    {
                        timer1.Stop();
                        MessageBox.Show("感谢您！现在您可以使用"   listBox1.Items[i].ToString()   "了！", "系统提示：");
                        q = 0;

                    }
                    else
                    {

                        timer1.Start();
                    }
                    richTextBox1.Text = listBox2.Items[q].ToString();
                   

                }
                else
                {
                    q = 0;
                    richTextBox1.Text = listBox2.Items[q].ToString();
                }
                progressBar1.Value = q;
            }
            catch
            {
                MessageBox.Show("系统匹配出现问题！请重新导入问题！" );
            }

            textBox1.Text = "";
            textBox1.Focus();
        }

        private void textBox1_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.KeyCode==Keys.Enter&&button4.Enabled ==true )
            {
                q  ;

                try
                {
                    if (textBox1.Text != "" && textBox1.Text == key[q - 1].ToString())
                    {
                        if (q == listBox2.Items.Count)
                        {
                            timer1.Stop();
                            MessageBox.Show("感谢您！现在您可以使用"   listBox1.Items[i].ToString()   "了！", "系统提示：");
                            q = 0;

                        }
                        else
                        {

                            timer1.Start();
                        }
                        richTextBox1.Text = listBox2.Items[q].ToString();


                    }
                    else
                    {
                        q = 0;
                        richTextBox1.Text = listBox2.Items[q].ToString();
                    }
                    progressBar1.Value = q;
                }
                catch
                {
                    MessageBox.Show("系统匹配出现问题！请重新导入问题！");
                }

                textBox1.Text = "";
                textBox1.Focus();
            }
        }

        private void comboBox1_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.KeyCode==Keys.Enter)
            {
                listBox1.Items.Add(comboBox1.Text);
                comboBox1.Focus();
            }
        }
    }
}