public Roof(House myHouse)
 {
     house = myHouse;
 }
 public Door(House myHouse)
 {
     house = myHouse;
 }
 public Wall(House myHouse)
 {
     house = myHouse;
 }
 public Window(House myHouse)
 {
     house = myHouse;
 }
 public Basement(House myHouse)
 {
     house = myHouse;
 }