static void Main(string[] args)
{
Printer myPrinter = new Printer();
myPrinter.Print("This is Printer class");
if (myPrinter is OtherPrinter)
{
OtherPrinter MyOtherPrinter = (OtherPrinter)myPrinter;
MyOtherPrinter.Print("This is other printer class");
}
OtherPrinter mySecondOtherPrinter = new OtherPrinter();
mySecondOtherPrinter.Print("This is mySecondOther printer");
Printer mySecondPrinter = (Printer)mySecondOtherPrinter;
mySecondPrinter.Print("mySecondOtherPrinter after upcast");
OtherPrinter upCast = mySecondPrinter as OtherPrinter;
if (upCast != null)
{
upCast.Print("My secondOtherPrinter after upcast");
}
Console.ReadKey();
}
static void Main(string[] args)
{
Printer prin = new Printer();
prin.Print("askjfhl");
OtherPrinter opr = (OtherPrinter)prin;
opr.Print("lasjhgfdjksg");
Console.ReadKey();
}