/// <summary>Initiates a shutdown and optional restart of the specified computer.</summary>
/// <param name="machineName">
/// String that specifies the network name of the computer to shut down. If NULL or an empty string, the function shuts down the local computer.
/// </param>
/// <param name="message">String that specifies a message to display in the shutdown dialog box. This parameter can be NULL if no message is required.</param>
/// <param name="timeout">
/// Time that the shutdown dialog box should be displayed, in seconds. While this dialog box is displayed, shutdown can be stopped by the
/// AbortSystemShutdown function.
/// </param>
/// <param name="forceAppsClosed">
/// If this parameter is TRUE, applications with unsaved changes are to be forcibly closed. If this parameter is FALSE, the system displays a dialog box
/// instructing the user to close the applications.
/// </param>
/// <param name="rebootAfterShutdown">
/// If this parameter is TRUE, the computer is to restart immediately after shutting down. If this parameter is FALSE, the system flushes all caches to
/// disk and clears the screen.
/// </param>
/// <param name="reason">Reason for initiating the shutdown. This parameter must be one of the system shutdown reason codes.</param>
/// <returns>0 on failure, non-zero for success</returns>
public static bool InitiateShutdown(string machineName = null, string message = null, TimeSpan?timeout = null, bool forceAppsClosed = false, bool rebootAfterShutdown = false, AdvApi32.SystemShutDownReason reason = AdvApi32.SystemShutDownReason.SHTDN_REASON_UNKNOWN)
{
var graceSecs = (uint)timeout.GetValueOrDefault().TotalSeconds;
if (Environment.OSVersion.Version.Major <= 5 && graceSecs > AdvApi32.MAX_SHUTDOWN_TIMEOUT)
{
throw new ArgumentOutOfRangeException(nameof(timeout), $"Timeout can be no longer than {AdvApi32.MAX_SHUTDOWN_TIMEOUT} seconds on Windows XP and earlier systems.");
}
using (string.IsNullOrEmpty(machineName) ? new PrivilegedCodeBlock(SystemPrivilege.Shutdown) : new PrivilegedCodeBlock(SystemPrivilege.RemoteShutdown))
return(AdvApi32.InitiateSystemShutdownEx(machineName, message, graceSecs, forceAppsClosed, rebootAfterShutdown, reason));
}
public static void Reboot()
{
Trace.WriteLine("OK - shutting down");
AcquireSystemPrivilege(AdvApi32.SE_SHUTDOWN_NAME);
if (WinVersion.GetMajorVersion() >= 5 &&
WinVersion.GetMajorVersion() < 6)
{
User32.ExitWindowsEx(
User32.ExitFlags.EWX_REBOOT |
User32.ExitFlags.EWX_FORCE,
0
);
}
else
{
AdvApi32.InitiateSystemShutdownEx(
"", "", 0, true, true,
AdvApi32.ShtdnReason.MAJOR_OTHER |
AdvApi32.ShtdnReason.MINOR_ENVIRONMENT |
AdvApi32.ShtdnReason.FLAG_PLANNED
);
}
}
