How to suppress restarting the computer in nsis?

Archive: How to suppress restarting the computer in nsis?

JohnChen
10th May 2011 22:10 UTC

How to suppress restarting the computer in nsis?
Is there any way not to allow the user to restart the computer during the installation? Thanks.

jiake
11th May 2011 02:27 UTC

Using "Reboot" command. Make sure that all files have been insted. You'd better use a message box to ask for rebooting.

MSG
11th May 2011 07:00 UTC

He wants to prevent rebooting, not reboot himself. JohnChen, it's not possible to prevent someone from rebooting his computer, because that's a hardware thing. You may be able to prevent a windows shutdown, however. Google tells me you need to monitor for the WM_QUERYENDSESSION message and send WM_CANCELMODE when the message is received. But I wouldn't be surprised if you'd need to modify the NSIS source code to do this.

Long story short: Not possible in any simple way, as far as I can see.

Afrow UK
11th May 2011 11:38 UTC

NSIS already blocks reboots by handling WM_QUERYENDSESSION and returning FALSE.

Stu

JohnChen
11th May 2011 17:14 UTC

Originally posted by Afrow UK
NSIS already blocks reboots by handling WM_QUERYENDSESSION and returning FALSE.

Stu

Thanks for your reply. Can you briefly explain how I can use this message WM_QUERYENDSESSION in NSIS?

Afrow UK
11th May 2011 17:25 UTC

What?

Stu

JohnChen
11th May 2011 21:47 UTC

Originally posted by Afrow UK
What?

Stu

I meant how to use WM_QUERYENDSESSION in NSIS? Thanks.

Afrow UK
12th May 2011 10:11 UTC

I know what you meant but what you are asking doesn't actually make sense in the context of my previous response.

NSIS already blocks reboots by handling WM_QUERYENDSESSION and returning FALSE.

I'm not sure how I could rephrase this to make more sense. If NSIS already handles WM_QUERYENDSESSION behind the scenes then why do you need to handle it yourself (except to allow reboots by returning TRUE)?

Stu