C#实现定时关机小应用

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;using System.Diagnostics; namespace SetTime1{ public partial class Form1 : Form { public Form1() {  InitializeComponent();  lblNow.BackColor = Color.Gainsboro; } /// <summary> /// 窗体加载 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void Form1_Load(object sender, EventArgs e) {   try  {  //显示当前时间  lblNow.Text = DateTime.Now.ToString("yyyy年MM月dd日hh时mm分ss秒");  Timer timer = new Timer();  timer.Tick += new EventHandler(this.timer_Tick);  timer.Enabled = true;   //不断捕获鼠标位置  Timer timer1 = new Timer();  timer1.Tick += new EventHandler(this.timer1_Tick);  timer1.Enabled = true;   //初始化模式一  InitialModel1();   //初始化重启模式  InitialRset();   //初始化模式2  InitialModel2();  }  catch { }  } /// <summary> /// 当前时间 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void timer_Tick(object sender, EventArgs e)//当前时间 {  try  {  //在标签上实时显示当前时间  lblNow.Text = DateTime.Now.ToString("yyyy年MM月dd日HH时mm分ss秒");  }  catch{} } /// <summary> /// 窗体贴边 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void timer1_Tick(object sender, EventArgs e)//窗体贴边 {  try  {  int ScreenWidth = Screen.PrimaryScreen.WorkingArea.Width; //获取屏幕宽度   int ScreenRight = Screen.PrimaryScreen.WorkingArea.Right; //获取屏幕高度   System.Drawing.Point mouse_pos = new Point(Cursor.Position.X, Cursor.Position.Y);//获取鼠标在屏幕的坐标点  Rectangle Rects = new Rectangle(this.Left, this.Top, this.Left + this.Width, this.Top + this.Height);//存储当前窗体在屏幕的所在区域    if ((this.Top < 0) && Win32API.PtInRect(ref Rects, mouse_pos))//当鼠标在当前窗体内，并且窗体的Top属性小于0  {//如果窗体已经上贴边了并且鼠标在窗体内部，上贴边展开   this.Top = 0;//设置窗体的Top属性为0  }  else if (this.Top > -5 && this.Top < 5 && !(Win32API.PtInRect(ref Rects, mouse_pos)))  {//当窗体的上边框与屏幕的顶端的距离小于5,并且鼠标不在窗体内部时    this.Top = 5 - this.Height;//将窗体隐藏到屏幕的顶端，即上贴边  }    if ((this.Left >= ScreenWidth - 5) && Win32API.PtInRect(ref Rects, mouse_pos))//当鼠标在当前窗体内，并且窗体的Left属性小于ScreenWidth  {//如果窗体已经右贴边了并且鼠标在窗体内部，右贴边展开   this.Left = ScreenWidth - this.Width;//设置窗体的Left属性为ScreenWidth  }  else if (this.Right >= ScreenWidth && !(Win32API.PtInRect(ref Rects, mouse_pos)))  {//当窗体的右边框与屏幕的右端的距离小于+5时，并且鼠标不在窗体内部，右贴边   this.Left = ScreenWidth - 5;//将窗体隐藏到屏幕的右端  }  }  catch { } } #region 无边框窗体拖动 //-------------------无边框窗体拖动---------------------------  Point mouseOff;//鼠标移动位置变量  bool leftFlag;//标志左键是否按下  //鼠标按下 private void Form_MouseDown(object sender, MouseEventArgs e) {  try  {  if (e.Button == MouseButtons.Left)  {   mouseOff = new Point(-e.X, -e.Y); //记下鼠标移动的偏移量   leftFlag = true;   //点击左键按下时标注为true;   }  }  catch { } } //鼠标移动 private void Form_MouseMove(object sender, MouseEventArgs e) {  try  {  if (leftFlag)  {   Point mouseSet = Control.MousePosition;//获取鼠标的位置   mouseSet.Offset(mouseOff.X, mouseOff.Y); //设置移动后的位置    this.Location = mouseSet;//设置当前窗体的位置  }  }  catch { } } //释放鼠标 private void Form_MouseUp(object sender, MouseEventArgs e) {  if (leftFlag)  {  leftFlag = false;//释放鼠标后标注为false;   } }  [DllImport("user32.dll")] public static extern bool ReleaseCapture(); [DllImport("user32.dll")] public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam); public const int WM_SYSCOMMAND = 0x0112; public const int SC_MOVE = 0xF010; public const int HTCAPTION = 0x0002;  private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) {  try  {  ReleaseCapture();  SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);  }  catch { } }  //------------------------end 无边框窗体拖动-----------------------------------  #endregion /// <summary> /// 关闭窗口 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnClose_Click(object sender, EventArgs e) {  this.Close(); }//关闭窗口 /// <summary> /// 最小化 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnMin_Click(object sender, EventArgs e)//最小化 {  //将窗体最小化  this.WindowState = FormWindowState.Minimized; } /// <summary> /// 初始化模式1 /// </summary> void InitialModel1()//初始化模式1 {  try  {  int item = 0;  //在小时下拉框添加(0~12)选项  while (item <= 12)  {   cbbHours1.Items.Add(item);   cbbHours1.SelectedIndex = 0;   item++;  }  //在分钟下拉框添加(0~59)选项  for (item = 0; item <= 0x3b; item++)  {   cbbMins1.Items.Add(item);   cbbMins1.SelectedIndex = 0;  }  //在秒下拉框添加(0~59)选项  for (item = 0; item <= 0x3b; item++)  {   cbbSeconds1.Items.Add(item);   cbbSeconds1.SelectedIndex = 0;  }  }  catch { }  } /// <summary> /// 命令函数 (通过黑窗口执行命令) /// </summary> /// <param name="str">命令</param> private void Cmd(string str)//命令函数 {  try  {  using (Process process = new Process())  {   process.StartInfo.FileName = "cmd.exe";//调用cmd.exe程序   process.StartInfo.UseShellExecute = false;   process.StartInfo.RedirectStandardInput = true;//重定向标准输入   process.StartInfo.RedirectStandardOutput = true;//重定向标准输出   process.StartInfo.RedirectStandardError = true;//重定向标准出错   process.StartInfo.CreateNoWindow = true;//不显示黑窗口   process.Start();//开始调用执行   process.StandardInput.WriteLine(str + "&exit");//标准输入str + "&exit"，相等于在cmd黑窗口输入str + "&exit"   process.StandardInput.AutoFlush = true;//刷新缓冲流，执行缓冲区的命令，相当于输入命令之后回车执行   process.WaitForExit();//等待退出   process.Close();//关闭进程  }  }  catch  {  } } /// <summary> /// 模式1确定 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnSure1_Click(object sender, EventArgs e)//模式1确定 {  try  {  string strHour = cbbHours1.Items[cbbHours1.SelectedIndex].ToString();//小时  string strMin = cbbMins1.Items[cbbMins1.SelectedIndex].ToString();//分钟  string strSec = cbbSeconds1.Items[cbbSeconds1.SelectedIndex].ToString();//秒数  if (((cbbHours1.SelectedIndex != 0) || (cbbMins1.SelectedIndex != 0)) || (cbbSeconds1.SelectedIndex != 0))  {   this.Cmd("shutdown -a");//取消之前的关机任务   //组织关机命令   string strCmd = "shutdown -s -t " + (((((Convert.ToInt32(strHour) * 60) * 60) + (Convert.ToInt32(strMin) * 60)) + Convert.ToInt32(strSec))).ToString();   this.Cmd(strCmd);//调用cmd执行命令   //弹出消息框告知用户   MessageBox.Show("计算机将在" + strHour + "小时" + strMin + "分" + strSec + "秒后关机");  }  else  {   MessageBox.Show("选择无效！");  }  }  catch { }  } /// <summary> /// 取消关机计划 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnCancel1_Click(object sender, EventArgs e)//取消关机计划 {  this.Cmd("shutdown -a");//调用cmd执行取消关机命令 } /// <summary> /// 重启模式 /// </summary> void InitialRset()//初始化重启模式 {  try  {  int item = 0;  //在小时下拉框添加(0~12)选项  while (item <= 12)  {   cbbHoursRset.Items.Add(item);   cbbHoursRset.SelectedIndex = 0;   item++;  }  //在分钟下拉框添加(0~59)选项  for (item = 0; item <= 0x3b; item++)  {   cbbMinsRset.Items.Add(item);   cbbMinsRset.SelectedIndex = 0;  }  //在秒下拉框添加(0~59)选项  for (item = 0; item <= 0x3b; item++)  {   cbbSecondsRset.Items.Add(item);   cbbSecondsRset.SelectedIndex = 0;  }  }  catch { }  }   /// <summary> /// 确认重启 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnSureRset_Click(object sender, EventArgs e)//重启模式 {  try  {  //获取用户选择的时间  string strHour = cbbHoursRset.Items[cbbHoursRset.SelectedIndex].ToString();//小时  string strMin = cbbMinsRset.Items[cbbMinsRset.SelectedIndex].ToString();//分钟  string strSec = cbbSecondsRset.Items[cbbSecondsRset.SelectedIndex].ToString();//秒   this.Cmd("shutdown -a");//取消之前的关机任务  //根据用户的选择组织关机命令  string strCmd = "shutdown -r -t " + (((((Convert.ToInt32(strHour) * 60) * 60) + (Convert.ToInt32(strMin) * 60)) + Convert.ToInt32(strSec))).ToString();  this.Cmd(strCmd);//调用cmd执行重启命令  //弹出消息框告知用户  MessageBox.Show("计算机将在" + strHour + "小时" + strMin + "分" + strSec + "秒后重启");  }  catch { }  } /// <summary> /// 取消重启 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void BtnCancelRset_Click(object sender, EventArgs e)//取消重启 {  this.Cmd("shutdown -a");//取消关机任务 }  /// <summary> /// 初始化模式2 /// </summary> void InitialModel2()//初始化模式2 {  try  {  int num;  this.cbbMonths.Items.Clear();//清空月份下拉框  //在月份下拉框添加1~12  for (num = 1; num <= 12; num++)  {   cbbMonths.Items.Add(num);   }  //默认选择当前月  cbbMonths.SelectedIndex = DateTime.Now.Month - 1;   this.cbbHours2.Items.Clear();//清空小时下拉框  //在小时下拉框添加0~23  for (num = 0; num <= 0x17; num++)  {   this.cbbHours2.Items.Add(num);   }   //默认选择当前小时  cbbHours2.SelectedIndex = DateTime.Now.Hour;   this.cbbMins2.Items.Clear();//清空分钟下拉框、  //在月份下拉框添加0~59  for (num = 0; num <= 0x3b; num++)  {   this.cbbMins2.Items.Add(num);   }  //默认选择当前秒  cbbMins2.SelectedIndex = DateTime.Now.Minute;  SetDay();//根据用户选择的月份选择天数(月份的天数有差异，有润平年之分)  }  catch { }  }  /// <summary> /// 设置模式2天数 /// </summary> void SetDay()//设置模式2天数 {  try  {  int num;  this.cbbDays.Items.Clear();//清空天数下拉框  switch ((cbbMonths.SelectedIndex + 1))  {   case 1://1 3 5 7 8 10 12 月有31天   case 3:   case 5:   case 7:   case 8:   case 10:   case 12: for (num = 1; num <= 31; num++)   {    cbbDays.Items.Add(num);    }   break;   case 4://4 6 9 11月有30天   case 6:   case 9:   case 11: for (num = 1; num <= 30; num++)   {    cbbDays.Items.Add(num);    }   break;   case 2: for (num = 1; num <= 28; num++)//2月至少有28天   {    cbbDays.Items.Add(num);    }    //闰年 2月 有29天   if (((Convert.ToInt32(DateTime.Now.Year) % 400) == 0) || (((Convert.ToInt32(DateTime.Now.Year) % 4) == 0) && ((Convert.ToInt32(DateTime.Now.Year) % 100) != 0)))   {    cbbDays.Items.Add(0x1d);//再加1天   }   break;   default: break;  }   if (Convert.ToInt32(DateTime.Now.Day) > cbbDays.Items.Count)  {//当前天数大于可选天数，设置为27   cbbDays.SelectedIndex = 27;  }  else  {   //默认选为当前天数   cbbDays.SelectedIndex = Convert.ToInt32(DateTime.Now.Day) - 1;  }  }  catch { } } /// <summary> /// 当月数改变天数随之改变 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void cbbMonths_SelectedIndexChanged(object sender, EventArgs e)//当月数改变天数随之改变 {  SetDay(); } /// <summary> /// 获取设置模式2关机时间 /// </summary> /// <returns>设置模式2关机时间</returns> private DateTime GetDTime()//获取设置模式2关机时间 {  try  {  string strYear = Convert.ToString(DateTime.Now.Year);  string strMouth = this.cbbMonths.Items[this.cbbMonths.SelectedIndex].ToString();  string strDay = this.cbbDays.Items[this.cbbDays.SelectedIndex].ToString();  string strHour = this.cbbHours2.Items[this.cbbHours2.SelectedIndex].ToString();  string strMin = this.cbbMins2.Items[this.cbbMins2.SelectedIndex].ToString();  //跨年处理  if ((DateTime.Now.Month == 12) && (this.cbbMonths.SelectedIndex == 0))  {   strYear = (DateTime.Now.Year + 1).ToString();  }  //返回设置的时间  return Convert.ToDateTime(strYear + "-" + strMouth + "-" + strDay + " " + strHour + ":" + strMin + ":00");  }  catch  {  return DateTime.Now;//返回当前时间  }  } /// <summary> /// 计算模式2 获取离关机还有多少秒 /// </summary> /// <param name="DateTime1">设置的关机时间</param> /// <param name="DateTime2">当前时间</param> /// <returns></returns> private double DateDiff(DateTime DateTime1, DateTime DateTime2)//计算模式2秒数 {  try  {  if (DateTime1 <= DateTime2)//关机时间必须是大于当前时间  {   return 0.0;  }  //返回记录关机的秒数  return DateTime1.Subtract(DateTime2).Duration().TotalSeconds;  }  catch  {  return -1.0;  } } /// <summary> /// 模式2确定 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnSure2_Click(object sender, EventArgs e)//模式2确定 {  try  {  this.Cmd("shutdown -a");//取消之前的关机任务  DateTime dTime = this.GetDTime();//获取关机时间  double sec = this.DateDiff(dTime, DateTime.Now);//获取离关机还有多少秒  //关机时间分为2秒~3天  if ((sec > 2.0) && (sec < 259200.0))  {   this.Cmd("shutdown -a");//取消之前的关机任务   //执行关机命令   this.Cmd("shutdown -s -t " + Convert.ToInt32(sec.ToString().Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries)[0]).ToString());   //弹出消息框提示用户   MessageBox.Show("计算机将于" + this.GetDTime().ToString() + "关机");  }  else  {   MessageBox.Show("选择无效！！！");  }   }  catch { } } /// <summary> /// 模式2取消 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnCancel_Click(object sender, EventArgs e)// 模式2取消 {  Cmd("shutdown -a");//取消关机任务 } /// <summary> /// 当选项卡为模式2时，重置时间 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)//当选项卡为模式2时，重置时间 {  if (tabControl1.SelectedIndex == 1)  {  InitialModel2();  } }    } class Win32API //拖动接口 { [DllImport("User32.dll")] public static extern bool PtInRect(ref Rectangle r, Point p);  } }

Process process = new Process()//创建进程process.StartInfo.FileName = exePath;//exePath:调用程序的路径process.Start();//开始调用执行process.WaitForExit();//等待退出process.Close();//关闭进程