Simulating windows laptop in virtual machine?

I wonder if there is a way to simulate laptop in开发者_如何学Python a virtual machine. Specifically, I would like to simulate the lid closing behavior. I checked virtual box and it doesn't seem to have this kind of feature.

Thanks!

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You will have to write an application to do that.

The message you are interested in broadcasting is WM_POWERBROADCAST.

Take a look here if you also need to catch it.