How do I switch the monitor on/ off using ObjectPascal?

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Provided that you monitor supports this interface, you can use the new system command message
SC_MONITORPOWER as shown in the following function:

	// Power saver mode interface procedure SwitchMonitorOn (on : boolean); const lp : array [false..true] of longint = (0, -1); begin SendMessage(Application.Handle, WM_SYSCOMMAND, SC_MONITORPOWER, lp[on]); end;

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