用C#编写的使电脑自动关机程序

用C#编写的使电脑自动关机程序

//使用cmd的定时关机
private void button1_Click(object sender, EventArgs e)
{
if (DateTime.Now.Hour == int.Parse(comboBox1.Text) && DateTime.Now.Minute == numericUpDown2.Value)
{
msg=MessageBox.Show("您现在就要关机吗？建议先取消，设置具体时间关机！", "温馨提示！", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
if ( msg== DialogResult.Yes)
{
System.Diagnostics.Process.Start("cmd.exe", "shutdown -f -s -t 1"); //强制一秒倒计时关机！
}
else
return;
}

using System.Runtime.InteropServices;
[Flags]
public enum ExitWindows : uint
{
LogOff = 0x00, //注销
ShutDown = 0x01, //关机
Reboot = 0x02, //重启
Force = 0x04,
PowerOff = 0x08,
ForceIfHung = 0x10
}
[Flags]
public enum ShutdownReason : uint
{
MajorApplication = 0x00040000,
MajorHardware = 0x00010000,
MajorLegacyApi = 0x00070000,
MajorOperatingSystem = 0x00020000,
MajorOther = 0x00000000,
MajorPower = 0x00060000,
MajorSoftware = 0x00030000,
MajorSystem = 0x00050000,
MinorBlueScreen = 0x0000000F,
MinorCordUnplugged = 0x0000000b,
MinorDisk = 0x00000007,
MinorEnvironment = 0x0000000c,
MinorHardwareDriver = 0x0000000d,
MinorHotfix = 0x00000011,
MinorHung = 0x00000005,
MinorInstallation = 0x00000002,
MinorMaintenance = 0x00000001,
MinorMMC = 0x00000019,
MinorNetworkConnectivity = 0x00000014,
MinorNetworkCard = 0x00000009,
MinorOther = 0x00000000,
MinorOtherDriver = 0x0000000e,
MinorPowerSupply = 0x0000000a,
MinorProcessor = 0x00000008,
MinorReconfig = 0x00000004,
MinorSecurity = 0x00000013,
MinorSecurityFix = 0x00000012,
MinorSecurityFixUninstall = 0x00000018,
MinorServicePack = 0x00000010,
MinorServicePackUninstall = 0x00000016,
MinorTermSrv = 0x00000020,
MinorUnstable = 0x00000006,
MinorUpgrade = 0x00000003,
MinorWMI = 0x00000015,
FlagUserDefined = 0x40000000,
FlagPlanned = 0x80000000
}
[DllImport("user32.dll")]
static extern bool ExitWindowsEx(ExitWindows uFlags, ShutdownReason dwReason);
[STAThread]
static void Main(string[] args)
{
ExitWindowsEx(ExitWindows.ShutDown ,ShutdownReason.MajorOther & ShutdownReason.MinorOther);
//这个语句将实现计算机关机操作
}