【手机锁屏】模似手机锁屏

可屏蔽键盘上的任意按键及组合按键（包括ALT+F4，任务管理器）
可在键盘鼠标不进行任何动作是锁屏


提示：解锁密码为8888

[C#] 纯文本查看 复制代码

using System;
using System.Windows.Forms;
using System.Diagnostics;

namespace LockScreen
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();            
            InitButtonTextbox();
            this.TopMost = true;
        }
        
        int texPwdMax = 0;  //判断密码输到第几位个数
        const int PwdFigure = 4;  //密码位数
        const int ButtonFigure = 10;  //按钮
        const int PasswordFigure = 5;  //文本框,文本框命名是从1开始
        public System.Windows.Forms.Button[] bnt = new System.Windows.Forms.Button[ButtonFigure];
        public System.Windows.Forms.TextBox[] txtPwd = new System.Windows.Forms.TextBox[PasswordFigure];
        string Password = "8888";  //密码
        int NumPwd; //判断按钮按下的数值
        frmLock frmlock = new frmLock();//锁屏窗口
        MyHook myhook = new MyHook();//屏蔽键盘

        private void MainForm_Load(object sender, EventArgs e)
        {            
            frmlock.Show();
            ComputerDormancy ComputerDormancyConfig = new ComputerDormancy(this); //计算要休眠时间
            //InitMainform initMainformConfig = new InitMainform(this);//实现具有Aero效果的窗体
            myhook.InsertHook();
        }

        //按钮文本框
        private void InitButtonTextbox()
        {
            for (int i = 0; i < ButtonFigure; i++)
            {
                Control[] c = this.Controls.Find("btn" + i.ToString(), true);
                if (0 < c.Length)
                {
                    bnt[i] = (System.Windows.Forms.Button)c[0];
                }
            }
            for (int j = 1; j < PasswordFigure; j++)
            {
                Control[] c1 = this.Controls.Find("texPwd" + j.ToString(), true);
                if (0 < c1.Length)
                {
                    txtPwd[j] = (System.Windows.Forms.TextBox)c1[0];
                }
            }
        }                

        //文本框输入的数值
        private void texPwdAcceptNum()
        {
            texPwdMax++;
            if (PwdFigure <= texPwdMax)
                texPwdMax = PwdFigure;
            for (int i = 1; i <= PwdFigure; i++)
            {
                if (i == texPwdMax)
                {
                    if (string.IsNullOrEmpty(txtPwd[i].Text))
                    {
                        txtPwd[i].Text = NumPwd >= 0 && NumPwd <= 9 ? NumPwd.ToString() : string.Empty;
                        txtPwd[i].BackColor = System.Drawing.Color.Red;
                    }
                }
            }
            MatchingPassWord();
        }

        //得到密码并比较
        private void MatchingPassWord()
        {            
            string Pwd = texPwd1.Text + texPwd2.Text + texPwd3.Text + texPwd4.Text;
            if (PwdFigure == texPwdMax)
            {
                if (Pwd == Password)
                {
                    this.Hide();
                    frmlock.Hide();
                    //this.WindowState = FormWindowState.Minimized;
                    //frmlock.WindowState = FormWindowState.Minimized;
                    LockTimer.Enabled = true;
                    texPwdMax = 0;
                    for (int i = 1; i <= PwdFigure; i++)
                    {
                        txtPwd[i].Text = string.Empty;
                        txtPwd[i].BackColor = System.Drawing.Color.White;
                    }
                    //myhook.UnHook();
                }
                else
                {
                    MessageBox.Show("您输入的密码错误，请重新输入");
                    texPwdMax = 0;
                    for (int i = 1; i <= PwdFigure; i++)
                    {
                        txtPwd[i].Text = string.Empty;
                        txtPwd[i].BackColor = System.Drawing.Color.White;                        
                    }
                }
            }
        }

        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            myhook.UnHook();
            Application.Exit();
        }

        //按钮事件
        private void btnText_Click(object sender, EventArgs e)
        {
            Button btn = (sender as Button);
            NumPwd = int.Parse(btn.Text);
            texPwdAcceptNum();            
        }
        
        //重置
        private void btnAsterisk_Click(object sender, EventArgs e)
        {
            texPwdMax = 0;
            for (int i = 1; i <= PwdFigure; i++)
            {
                txtPwd[i].Text = string.Empty;
                txtPwd[i].BackColor = System.Drawing.Color.White;
            }
        }

        //取消
        private void btnCancel_Click(object sender, EventArgs e)
        {
            texPwdMax--;
            if (0 > texPwdMax)
                texPwdMax = 0;
            for (int i = 0; i <= PwdFigure; i++)
            {
                if (i == texPwdMax)
                    if (!string.IsNullOrEmpty(txtPwd[i + 1].Text))
                    {
                        txtPwd[i + 1].Text = string.Empty;
                        txtPwd[i + 1].BackColor = System.Drawing.Color.White;
                    }
            }
        }

        //阻止进程运行
        private void TaskmgrTimer_Tick(object sender, EventArgs e)
        {
            //RunContentJudge();
            Process[] p = Process.GetProcesses();//获取所有系统运行的进程
            foreach (Process p1 in p)//遍历进程
            {
                try
                {
                    if (p1.ProcessName.ToLower().Trim() == "taskmgr")//如果进程中存在名为“taskmgr”，则说明任务管理器已经打开 
                    {
                        p1.Kill();//关掉任务管理器的进程
                        return;
                    }
                }
                catch
                { }
            }
        }

        //如果鼠标键盘都没有动作的时候，运行锁屏
        private void RunContentJudge()
        {
            if (ComputerDormancy.GetLastInputTime() >= LockTimer.Interval)
            {
                this.Show();
                frmlock.Show();
            }
            else
                LockTimer.Enabled = false;        
        }
        //设定的时间内锁屏
        private void LockTimer_Tick(object sender, EventArgs e)
        {
            myhook.InsertHook();
            this.Show();
            frmlock.Show();
            LockTimer.Enabled = false;            
        }
    }
}

下载地址

• 

  Lock screen.rar

  2014-8-18 16:10 大小：124.77 KB 下载次数：228

虽然不明觉厉、、但是为嘛我觉得就贴出来的代码可以这个样子、、

[C#] 纯文本查看 复制代码

private void texPwdAcceptNum()
{
   int i;
   texPwdMax++;
   if (PwdFigure <= texPwdMax) texPwdMax = 4;   
   for (i = 1; i <= PwdFigure; i++){
       if (i == texPwdMax){
           if (string.IsNullOrEmpty(txtPwd[i].Text)){
               txtPwd[i].Text = NumPwd >= 0 && NumPwd <= 9 ? NumPwd.ToString() : string.Empty;
               txtPwd[i].BackColor = System.Drawing.Color.Red;
           }
       }
   } 

   //得到密码并比较
   string Pwd = texPwd1.Text + texPwd2.Text + texPwd3.Text + texPwd4.Text;
   if (Pwd == Password)
   {
       this.Hide();
       frmlock.Hide();
       timer2.Enabled = true;
       texPwdMax = 0;
       for (int j = 1; j <= PwdFigure; j++)
       {
           txtPwd[j].Text = "";
           txtPwd[j].BackColor = System.Drawing.Color.White;
       }                
   }
}

居然每隔5秒锁一次。。

crystal_lz 发表于 2014-8-9 18:06
虽然不明觉厉、、但是为嘛我觉得就贴出来的代码可以这个样子、、
[mw_shl_code=csharp,true]privat ...

谢谢指正！！！

呵呵，，我也是隔几秒锁一次 ，，而且任务管理器都打不开

来，我瞅瞅。什么个情况

很不错的代码谢谢分享

很不错的锁屏

謝謝樓主的分享!!

谢谢楼主分享，好人一生平安