static void Main(string[] args)
{
// canonical
var mediator = new ConcreteMediator();
var coll1 = new ConcreteColleague1(mediator);
var coll2 = new ConcreteColleague2(mediator);
mediator.Colleague1 = coll1;
mediator.Colleague2 = coll2;
coll1.Send("yoyoy");
coll2.Send("what");
Console.WriteLine("------------------------------------------");
// live
var form = new LoginForm();
var dropdown = new DropdownControl(form);
dropdown.Options = new List <string>()
{
"one", "two", "tree"
};
var textbox = new TextControl(form);
form.dropdown = dropdown;
form.textControl = textbox;
dropdown.SelectOption(0);
Console.WriteLine();
textbox.ChangeText("two");
}