Shutdown computer in C#

Posted by DomDomSoft on Jul 27th, 2009 | no comments home title

The simplest way is use shutdown.exe in Windows.

System.Diagnostic.Process.Start("shutdown.exe", "-s -f -t 00");

(Call shutdown.exe with parameters s, f, t 00)

That command line would shutdown the computer (s) after 0 second (t 00), force running applications to close (f).

Below are details of available parameters:

logoff_option:

/i	Display the GUI (must be the first option)
/l	Log off. This cannot be used with /m or /d option
/s	Shutdown
/r	Shutdown and Restart
/a	Abort a system shutdown. (only during the time-out period)
/p	Turn off the local computer with no time-out or warning (only with /d)
/h	Hibernate the local computer (only with /f )
/e	Document the reason for an unexpected shutdown of a computer

Options:

/m \\Computer	A remote computer to shutdown.
/t:xxx	Time until system shutdown in seconds. The valid range is xxx=0-600 seconds. [default=30]
/c “Msg”	An optional shutdown message [Max 127 chars]
/f	Force running applications to close. This will not prompt for File-Save in any open applications so will result in a loss of all unsaved data!!!
/d u:xx:yy	List a USER reason code for the shutdown.
/d P:xx:yy	List a PLANNED reason code for the shutdown. – xx Specifies the major reason code (0-255). – yy Specifies the minor reason code (0-65536).

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