using System;
public interface IPrintMessage
{
void Print();
};
class Class1
{
public void Print()
{
Console.WriteLine("Hello from Class1!");
}
}
class Class2 : IPrintMessage
{
public void Print()
{
Console.WriteLine("Hello from Class2!");
}
}
class MainClass
{
public static void Main()
{
PrintClass PrintObject = new PrintClass();
PrintObject.PrintMessages();
}
}
class PrintClass
{
public void PrintMessages()
{
Class1 Object1 = new Class1();
Class2 Object2 = new Class2();
PrintMessageFromObject(Object1);
PrintMessageFromObject(Object2);
}
private void PrintMessageFromObject(object obj)
{
IPrintMessage PrintMessage;
PrintMessage = obj as IPrintMessage;
if(PrintMessage != null)
PrintMessage.Print();
}
}
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