static void Main(string[] args)
{
DogDoor door = new DogDoor();
Remote remote = new Remote(door);
Console.WriteLine("Fido barks to go outside...");
remote.PressButton();
Console.WriteLine("\nFido has gone outside..");
remote.PressButton();
Console.WriteLine("\nFido's all done...");
remote.PressButton();
Console.WriteLine("\nFido's back inside..");
remote.PressButton();
}
public Remote(DogDoor door)
{
this.door = door;
}