void display_PowerStatusChange(IDeviceWithPower device, DevicePowerStatusEventArgs args)
{
if (args.PreviousPowerStatus == DevicePowerStatus.PowerOff && (
args.NewPowerStatus == DevicePowerStatus.PowerOn || args.NewPowerStatus == DevicePowerStatus.PowerWarming))
{
Down();
}
else if (args.PreviousPowerStatus == DevicePowerStatus.PowerOn && (
args.NewPowerStatus == DevicePowerStatus.PowerOff || args.NewPowerStatus == DevicePowerStatus.PowerCooling))
{
Up();
}
}
protected ElectricScreen(UpDownRelays relays, IDeviceWithPower display)
: this(relays)
{
display.PowerStatusChange += display_PowerStatusChange;
}