#include "stdafx.h" using namespace System; value class Pair { public: int x; int y; }; void swap_values(Pair% pair) { int temp = pair.x; pair.x = pair.y; pair.y = temp; } int main() { Pair p; p.x = 5; p.y = 3; Console::WriteLine("{0} {1}", p.x, p.y); swap_values(p); Console::WriteLine("{0} {1}", p.x, p.y); }