private static void PowerOffAll()
{
MessageBroadcastRecipients recipients = MessageBroadcastRecipients.BSM_ALLDESKTOPS;
BroadcastSystemMessage(
MessageBroadcastFlags.BSF_FORCEIFHUNG,
ref recipients,
0x0112, // WM_SYSCOMMAND
(IntPtr)0xf170, // SC_MONITORPOWER
(IntPtr)0x0002 // POWER_OFF
);
}
private static extern int BroadcastSystemMessageRecipients(MessageBroadcastFlags dwFlags, ref MessageBroadcastRecipients lpdwRecipients, uint uiMessage, IntPtr wParam, IntPtr lParam);
private static extern int BroadcastSystemMessageRecipients(MessageBroadcastFlags dwFlags, ref MessageBroadcastRecipients lpdwRecipients, uint uiMessage, IntPtr wParam, IntPtr lParam);
public static extern int BroadcastSystemMessage(MessageBroadcastFlags flags, ref MessageBroadcastRecipients lpInfo, uint Msg, IntPtr wParam, IntPtr lParam);
