private Element BuildComposition()
{
ConcreteElementA a1 = new ConcreteElementA();
ConcreteElementA a2 = new ConcreteElementA();
ConcreteElementB b1 = new ConcreteElementB();
ConcreteElementC c1 = new ConcreteElementC();
ConcreteElementC c2 = new ConcreteElementC();
c1.AddElement(a1).AddElement(c2);
c2.AddElement(a2).AddElement(b1);
return(c1);
}
public void Visit(ConcreteElementC element)
{
Console.WriteLine("Visiting " + element.Name + " ...");
}