C# code to Abort Shutdown

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I want to stop shut down until my C#.net windows app is running.That is even when
user shutdowns pc i need code that abort this shutdown

Posted 24-Feb-13 16:17pm

fdiu

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Sergey Alexandrovich Kryukov 24-Feb-13 22:45pm

Abort shutdown and delay shutdown until your application is running are different things. You can do first, but an attempt to do the second is useless.
—SA

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al13n · Answer 1 · 2013-02-24T16:36:00

Solution 1

You can't. There are so many ways a user can force your app to be terminated it's silly.

You're kidding yourself if you think you can. It's like believing you can protect images being copied off websites - it's impossible.

Sorry, but users will kill your app one way or another (eg. power off). The question is how you nicely handle the shutdown.

Posted 24-Feb-13 16:36pm

al13n

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Sergey Alexandrovich Kryukov 24-Feb-13 23:06pm

Agree, my 5, with one clarification: it's of course possible to abort previously initiated shutdown, but... I don't even want to discuss using it for preventing of the shutdown until some application is running, bad idea. Please see my answer.
—SA

Sergey Alexandrovich Kryukov · Answer 2 · 2013-02-24T17:04:00

Solution 2

Please see my comment to the question.

You can abort initiated shutdown using the command "shutdown /a". So, programmatically,

C#

System.Diagnostics.Process.Start("shutdown", "/a");

But it cannot help you to keep the system working until your application is executed. The whole idea is wrong; and the author of the Solution 1 is right.

—SA

Posted 24-Feb-13 17:04pm

Sergey Alexandrovich Kryukov

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fdiu 24-Feb-13 23:27pm

i do this but error like the application was unable to start currectly click ok to close

Sergey Alexandrovich Kryukov 24-Feb-13 23:31pm

Did you run it under debugger? Could be too many reasons for that.
But I answered not for you to apply this method. The whole idea is wrong. See Solution 1.
—SA

fdiu 25-Feb-13 6:59am

sorry for late because of electricity problem.
I got that we can not delay shutdown but can abort .I write code like in forms closing event handler i check the cause ,if it is due to windows shutdown then i want to abort it

Sergey Alexandrovich Kryukov 25-Feb-13 11:55am

I already answered.
—SA