WPF 监听系统休眠 唤醒 以及插拔电源状态

SystemEvents.PowerModeChanged += OnPowerModeChanged;
  private void OnPowerModeChanged(object sender, PowerModeChangedEventArgs e)
{
switch (e.Mode)
 {
    case PowerModes.Resume://系统挂起到重新唤醒
          break;
    case PowerModes.Suspend://系统挂起
         break;
    case PowerModes.StatusChange://电源插拔
         break;
}