static void Main(string[] args)
{
Daughter1 d1 = new Daughter1();
Mother1 d2 = new Daughter1();
d1.DoSmt1();
d1.DoSmt2();
d1.DoSmt4();
d2.DoSmt1();
d2.DoSmt2();
d2.DoSmt4();
Console.ReadKey();
}
static void Main(string[] args)
{
Daughter1 d1 = new Daughter1();
Mother1 d2 = new Daughter1();
// Mother1 d3 = new Mother1(); impossible
d1.DoSmt1();
d1.DoSmt4();
(d1 as Mother1).DoSmt4();
d2.DoSmt1();
d2.DoSmt4();
Console.ReadKey();
}
public static void Main(string[] args)
{
Daughter1 d1 = new Daughter1();
Mother1 d2 = new Daughter1();
//Mother1 d3 = new Mother1();
d1.DoSmt1();
d1.DoSmt4();
(d1 as Mother1).DoSmt4();
d2.DoSmt1();
d2.DoSmt4();
(d2 as Mother1).DoSmt4();
d2.DoSmt5();
d2.DoSmt6();
d2.DoSmt7();
(d2 as Interface1).DoSmt5();
(d2 as Interface2).DoSmt7();
Console.ReadKey();
}