C / C++ / MFC

void CXxView::OnShowBar() 
{
	IWebBrowser2 *pBrowser = NULL;
	// Ensure that our site is an browser window
	HRESULT hr = m_pBrowserApp->QueryInterface(IID_IWebBrowser2, (void **) &pBrowser);
	if (SUCCEEDED(hr))
	{
		// Display the band object (the Search bar in this case)
		VARIANT vtBandGUID, vtShow;
		vtBandGUID.vt = VT_BSTR;
		//change the CLSID as your bar CLSID
		vtBandGUID.bstrVal = SysAllocString(OLESTR("{30D02401-6A81-11d0-8274-00C04FD5AE38}"));
		vtShow.vt = VT_BOOL;
		vtShow.boolVal = TRUE;
		HRESULT hrx = pBrowser->ShowBrowserBar(&vtBandGUID, &vtShow, 0);
		if (FAILED(hrx))
		{
			CString _str;
			_str.Format("0x%x", hrx);
			AfxMessageBox(_str);
		}

		SysFreeString(vtBandGUID.bstrVal);
		pBrowser->Release();
	}
}

new

class Base
{
public:
	Base()
	{
		cout << "Base::()" << endl;
	}
	virtual ~Base()
	{
		cout << "~Base()" << endl;
	}
 
	virtual void iPhone()
	{
		cout << "I'm iPhone5s" << endl;
	}
};
 
class Derive : public Base
{
public:
 
	Derive()
	{
		cout << "Derive()" << endl;
	}
 
	virtual void iPhone()
	{
		cout << "I'm iPhone 6" << endl;
	}
 
	virtual ~Derive()
	{
		cout << "~Derive()" << endl;
	}
};
 
void main()
{
  {
 
      auto_ptr<Base> ptr(new Derive());//a foolish idea to do so?
      ptr->iPhone();
 
      Derive d;//isn't it better?
      Base* base = &d;
      base->iPhone();
 }
}