#include "stdafx.h"
using namespace System;
ref class Square
{
public:
int Area()
{
return d * d;
}
int d;
};
void main()
{
Square ^sqr1 = gcnew Square();
sqr1->d = 2;
Console::WriteLine( sqr1->Area() );
Square sqr2;
sqr2.d = 3;
Console::WriteLine( sqr2.Area() );
}