public string IAmPrinting(IAlla obj)
{
Tovar isTovar = obj as Tovar;
Technika isTechnika = obj as Technika;
Pechatalki isPechatalki = obj as Pechatalki;
Scaner isScaner = obj as Scaner;
Komp isKomp = obj as Komp;
Planshet isPlanshet = obj as Planshet;
if (isTovar != null)
{
return(isTovar.ToString());
}
if (isTechnika != null)
{
return(isTechnika.ToString());
}
if (isPechatalki != null)
{
return(isPechatalki.ToString());
}
if (isScaner != null)
{
return(isScaner.ToString());
}
if (isKomp != null)
{
return(isKomp.ToString());
}
if (isPlanshet != null)
{
return(isPlanshet.ToString());
}
return("");
}
static void Main(string[] args)
{
Tovar tov = new Tovar();
Scaner scan = new Scaner();
Komp kompich = new Komp();
IAlla scaner = new Scaner();
IAlla tovar = new Tovar();
IAlla kom = new Komp();
var fds = scaner as Scaner;
if (fds != null)
{
Console.WriteLine(fds.Dod());
}
Printer pri = new Printer();
IAlla[] allmass = new IAlla[3];
allmass[0] = scaner;
allmass[1] = tovar;
allmass[2] = kom;
for (int i = 0; i < 3; i++)
{
Console.WriteLine(pri.IAmPrinting(allmass[i]));
}
}