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Are there any ways on .NET to detect if a monitor with a VGA plug is still connected?

That's all, I want to know if someone turns off the monitor and takes a few actions, any idea? Thanks you

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I haven’t tried it myself, but I think you can listen to WM_DEVICECHANGE and check for changes to the System.Windows.Forms.Screen.AllScreens collection.

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Source: https://habr.com/ru/post/1745364/

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