static void PrintInfo(object obj)
{ /* if (obj is ISocializable )
* {
* ISocializable iso = (ISocializable)obj;
* iso.depart();
* iso.wish();
* return;
* }
*/
if (obj is ISocializable && obj is IEmotionable)
{
ISocializable iso = (ISocializable)obj;
IEmotionable imo = (IEmotionable)obj;
iso.depart();
iso.wish();
imo.cry();
imo.laugh();
return;
}
if (obj is IEmotionable && !(obj is ISocializable))
{
IEmotionable imo = (IEmotionable)obj;
imo.cry();
imo.laugh();
return;
}
}
private static void atTheParty(IEmotionable e, ISocializable s)
{
Console.WriteLine("\nAt The Party : ");
e.cry();
e.laugh();
s.wish();
s.depart();
}