//Event handlers
protected void DoorOpened(object sender, EventArgs e)
{
switch (_doorControlStates)
{
//Door should be opening here
case DoorControlStates.DoorOpening:
//Change state
_doorControlStates = DoorControlStates.DoorClosing;
//Close door
_door.Close();
//End case
break;
//In case of breach where door is expected closed
case DoorControlStates.DoorClosed:
//Change state
_doorControlStates = DoorControlStates.DoorAlarm;
//Raise alarm
_alarm.Raise();
//End case
break;
}
}