C / C++ / MFC

void a(void*& param);
void b(void*& param);

vector<T>::iterator iter = someVector.begin();
param = reinterpret_cast<void*>(iter)

error C2440: 'reinterpret_cast' : cannot convert from 'std::_Vector_iterator<_Ty,_Alloc>' to 'void *'

vector<T>::iterator iter = someVector.begin();
param = reinterpret_cast<void*>(&iter)

vector<T>::iterator iter = someVector.begin();
void* mem = malloc(sizeof(vector<T>::iterator));
//memcpy starting from &iter up to the size, into the malloc memory
param = mem;

vector<T>::iterator = reinterpret_cast<vector<T>::iterator>(param);

class foo {
 public:
  virtual void myMethod() { cout << "this part is in foo" << endl; }
};

class bar : public foo {
 public:
  void myMethod() { base.myMethod(); cout << "\tthis part is in bar" << endl; }
};