C / C++ / MFC

class CMyBaseFormView : public CFormView
{
public:
  virtual void ViewMethod() = 0; // to be overwritten only :)
};

class CMyFormView1 : public CMyBaseFormView
{
public:
  virtual void ViewMethod() { /* I have to control my own IDs :) */ };
};

class CMyFormView2 : public CMyBaseFormView
{
public:
  virtual void ViewMethod() { /* I have to control my own IDs :) */ };
};

//
void CMyGenericClass::MyMethod(... , CMyBaseFormView* pcView)
{
  if (pcView->GetSafeHwnd()) {
    pcView->ViewMethod(); // one call for all forms :)
  }
}

CPallini wrote:

To be honest I would expect a more dramatic event happening whenever the app is unable to find the component.