2,782 questions
Change Power & Sleep Setting Programmatically
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 70%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMD%3C/text%3E%3C/svg%3E)
Mujahid Desai
41
Reputation points
I want to update Power & Sleep Setting Programmatically
I have tried PowerWritePossibleValue API (ref: nf-powrprof-powerwritepossiblevalue) but there is no proper documentation or sample available.
**Is there any way to update the power and sleep setting programmatically? Through .Net/C++ **
Windows development Windows API - Win32
Accepted answer
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Castorix31 90,521 Reputation points2021-11-24T08:47:49.14+00:00 -
Mujahid Desai 41 Reputation points
2021-11-24T09:47:39.757+00:00 Answer is correct but not having any explanation.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(307.2, 64%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC6%3C/text%3E%3C/svg%3E)
cleric145-6909 11 Reputation points2021-11-24T10:11:36.717+00:00 Then why do you mark the other answer, which is not the right answer ?
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Mujahid Desai 41 Reputation points
2021-11-24T11:31:56.657+00:00 I found example in that reference which is working, but anyway thanks for the response
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cleric145-6909 11 Reputation points
2021-11-24T11:42:33.383+00:00 Launching external commands when some api exist is bad
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Mujahid Desai 41 Reputation points
2021-11-25T04:36:20.813+00:00 I tried this API and works perfectly, Thanks for response
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1 additional answer
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 34%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXY%3C/text%3E%3C/svg%3E)
Xiaopo Yang - MSFT 12,731 Reputation points Microsoft External Staff2021-11-24T06:56:55.183+00:00 According to the Answer which supplies multiple solutions, The easiest way would be to use the Powercfg utility. WMI ,Power Management Functions and Registry also work.
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Mujahid Desai 41 Reputation points
2021-11-24T09:52:28.007+00:00 Thanks for the response, But I was looking for using PowrProf.dll . But the reference in quite helpful.
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