Figure 1 Invoking the Destructor
ref class Wrapper {
    Native *pn;
public:
    // resource acquisition is initialization
    Wrapper( int val ) { pn = new Native( val ); } 

    // this will do our disposition of the native memory
    ~Wrapper(){ delete pn; }

    void mfunc();
protected:

    // an explicit Finalize() method—as a failsafe
    !Wrapper() { delete pn; }
};

void f1() 
{
   // normal treatment of a reference type
   Wrapper^ w1 = gcnew Wrapper( 1024 );

   // mapping a reference type to a lifetime
   Wrapper w2( 2048 ); // no ^ token !

   // just illustrating a semantic difference
   w1->mfunc(); 
   w2.mfunc();

   // w2 is disposed of here
}

// 
// ... later, w1 is finalized at some point, maybe