System registry value that changes when the monitor is in standby or of

[Luigi Ullo]

Hello everyoneI would need to know if, there is a registry value in Windows 10 that is automatically changed when the monitor is put into standby mode or when I manually turn off the monitor.So when the monitor is inactive or off, Windows must obviously know it, so there will be a value that changes.I need it because to be able to use this value for my system automation.Thanks

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