Shuting Down Win XP

Hey,

Does anyone know how i would go about shuting down a PC running XP. I have tried the standard stuff that worked with win98 e.t.c

Code:

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ExitWindowsEx(EWX_SHUTDOWN | EWX_POWEROFF, 0);

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also

Code:

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ExitWindowsEx(EWX_SHUTDOWN, 0);

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None of the above work,

Cheers
TNT

I really have no idea if this will work or not or if you have tried it, but there is a function called ExitWindows(). My Windows reference says to make sure to set both the arguments to NULL.

Checking through the MSDN documentation on

http://msdn.microsoft.com/library/de...tdown_3ago.asp

wouldn't do you a bit of harm, but to start you off here's some exerpt from the site:

Code:

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Use the ExitWindowsEx() function:
prototype BOOL ExitWindowsEx(UINT uFlags, DWORD reason);

uFlags can be:
        EWX_POWEROFF
                ->        Shuts down the system and turns off the power.
                        Calling proc must have the SE_SHUTDOWN_NAME privilege.
                        in Windows NT/2000/XP
        EWX_REBOOT
                ->        shuts down the system and restarts.
                        Calling proc must have the SE_SHUTDOWN_NAME privilege.
                        in Windows NT/2000/XP
dwReason parameter:

Windows XP: [in] Specifies the reason for initiating the shutdown. For more information, see System Shutdown Reason Codes.

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I would expect the dwReason parameter to be important in windows xp, check the codes on the following location:

http://msdn.microsoft.com/library/de...tdown_2roz.asp

Also pay particular attention to the privileges the calling process must have i.e SE_SHUTDOWN_NAME so you should read about the LocalSystem account, it has this privilege, so basically call CreateService and specify this account anyhow its all here:

http://msdn.microsoft.com/library/de...vices_9bhw.asp

Good luck, I hope that helps you.