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Screen Monitor Detection Power Status Change in C ++

I have a windows message loop. I need to determine when the screen is activated. Is there a windows message?

detect the power state change contains the C # path, I need a C ++ way using the win32 API.

If there is no Windows message, how can I poll the power status of the screen monitor?

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A Windows WM_POWERBROADCAST message appears . There, the Windows API has great support for power management. For more information, see Windows Power Management on MSDN.

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Windows ( Windows 8) GUID_CONSOLE_DISPLAY_STATE GUID_MONITOR_POWER_ON

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Source: https://habr.com/ru/post/1783151/

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