#using <mscorlib.dll>
using namespace System;

#include <iostream.h>

__gc public class itest1
{
public:
   int x;
   itest1()
   {
      cout << "executing itest1 constructor!!" << endl;
	  x = 1;
   }
	
   // no destructor needed

   void add(itest1 *that)    // pass by value doesn't work! 
   { this->x += that->x; that->x += 7;}

   int getx() { return x; }

   int f(int y) { return y+2; }
};