#include <iostream>

 using namespace std;

 class  IUnknown

 {

 public:

     virtual long  QueryInterface(  long riid, void * * ppvObject) = ;

     virtual long  AddRef( void) = ;

     virtual long  Release( void) = ;

 };

 class  IDispatch :  public IUnknown

 {

 public:

     virtual void GetTypeInfoCount() = ;

     virtual void GetTypeInfo() = ;

     virtual void GetIDsOfNames() = ;

     virtual void Invoke() = ;

 };

 class  IMyDualTest :  public IDispatch

 {

 public:

     virtual long Add(long n1, long n2, long* pVal) = ;

 };

 class CMyDualTest: public IMyDualTest

 {

 public:

     CMyDualTest():a(){}

     // IUnknown

     long  QueryInterface(  long riid, void * * ppvObject) { cout<<"QueryInterface"<<endl; return ;}

     long  AddRef( void) { cout<<"AddRef"<<endl; return ;}

     long  Release( void) { cout<<"Release"<<endl; return ;}

     // IDispatch

     virtual void GetTypeInfoCount(){ cout<<"GetTypeInfoCount"<<endl;}

     virtual void GetTypeInfo() { cout<<"GetTypeInfo"<<endl;}

     virtual void GetIDsOfNames() { cout<<"GetIDsOfNames"<<endl;}

     virtual void Invoke() { cout<<"Invoke"<<endl;}

     // IMyDualTest

     long Add(long n1, long n2, long* pVal) { cout<<"Add"<<endl; return ;}

 private:

     int a;

 };

 //typedef long  (*QueryInterfaceType)(  long riid, void * * ppvObject);

 typedef long  (*AddRefType)( void);

 //typedef long  (*ReleaseType)( void);

 //

 //typedef long  (CMyTest::*QueryInterfaceClassType)(  long riid, void * * ppvObject);

 void main()

 {

     CMyDualTest * pTest = new CMyDualTest;

     int * pFirst = (int*)(*(int*)pTest);

     for(int i=; i<; i++)

     {

         ((AddRefType)(*(pFirst+i)))();

     }

 }