How can I know that windows has rebooted when since my program is run

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Hi guys,

I need to know if there was a Windows reboot since the last run of my program. How can I do this this?

It doesn't even matter if is just a startup.

Thanks

Posted 4-Jan-11 9:34am

manchukuo

Updated 4-Jan-11 10:16am

v3

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Keith Barrow 4-Jan-11 15:57pm

Minor edit to improve grammar.

3 solutions

Solution 1

This [^]articles explains how to track the Windows Shutdown.

Obviously, in addition to this your application should also handle and track its own run.

Posted 4-Jan-11 10:01am

Manas Bhardwaj

Solution 2

You can use the RunOnce registry key to detect when a user logs in but his can happen without necessary being caused by a reboot. Probably the safest way would be to look for the shutdown event then add a key to the registry which you can check after starting your app.

Posted 4-Jan-11 10:04am

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Manfred Rudolf Bihy · Accepted Answer · 2011-01-04T10:17:00

The most trivial solution is when your program starts it reads the uptime of the computer. From that and the current date you calculate the last boot time.
Then you read a file in your apps directory that is used to store the last boot time and compare the value you computed with that.
When the program is installed the file in your apps directory gets initialized with the last boot time.

That would be it. Still have doubts? Leave a comment then.

Best Regards,
Manfred