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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| No
| Win32s
| No
| Import Library
| advapi32.lib
| Header File
| winreg.h
| Unicode
| WinNT
| Platform Notes
| None
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InitiateSystemShutdown
The InitiateSystemShutdown function initiates a shutdown and optional restart of the specified computer.
BOOL InitiateSystemShutdown(
LPTSTR lpMachineName,
| // address of name of computer to shut down
| LPTSTR lpMessage,
| // address of message to display in dialog box
| DWORD dwTimeout,
| // time to display dialog box
| BOOL bForceAppsClosed,
| // force applications with unsaved changes flag
| BOOL bRebootAfterShutdown
| // reboot flag
| );
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Parameters
lpMachineName
Points to the null-terminated string that specifies the network name of the
computer to shut down. If lpMachineName is NULL or points to an empty string, the function shuts down the local
computer.
lpMessage
Points to a null-terminated string that specifies a message to display in the
shutdown dialog box. This parameter can be NULL if no message is required.
dwTimeout
Specifies the time (in seconds) that the dialog box should be displayed. While
this dialog box is displayed, the shutdown can be stopped by the AbortSystemShutdown function.
If dwTimeout is not zero, InitiateSystemShutdown displays a dialog box on the specified computer. The dialog box displays the
name of the user who called the function, displays the message specified by the lpMessage parameter, and prompts the user to log off. The dialog box beeps when it is
created and remains on top of other windows in the system. The dialog box can be
moved but not closed. A timer counts down the remaining time before a forced
shutdown. If the user logs off, the system shuts down immediately. Otherwise,
the computer is shut down when the timer expires.
If dwTimeout is zero, the computer shuts down without displaying the dialog box, and the
shutdown cannot be stopped by AbortSystemShutdown.
bForceAppsClosed
Specifies whether applications with unsaved changes are to be forcibly closed.
If this parameter is TRUE, such applications are closed. If this parameter is
FALSE, a dialog box is displayed prompting the user to close the applications.
bRebootAfterShutdown
Specifies whether the computer is to restart immediately after shutting down.
If this parameter is TRUE, the computer is to restart. If this parameter is
FALSE, the system flushes all caches to disk, clears the screen, and displays a
message indicating that it is safe to power down.
Return Values
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error
information, call GetLastError.
Remarks
To shut down the local computer, the calling process must have the
SE_SHUTDOWN_NAME privilege. To shut down a remote computer, the calling process must have
the SE_REMOTE_SHUTDOWN_NAME privilege on the remote computer. By default, users
can enable the SE_SHUTDOWN_NAME privilege on the computer they are logged
onto, and administrators can enable the SE_REMOTE_SHUTDOWN_NAME privilege on remote
computers.
Common failures include an invalid or inaccessible computer name or
insufficient privilege.
See Also
AbortSystemShutdown
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