How to add commandbars to MDIChild window?

Hi,
Take a look at http://forum.codejock.com/forum_posts.asp?TID=9230.

I want to attach the toolbar in MDI child window of a CWnd.
It doesn't function though it wrote referring to 'http://forum.codejock.com/forum_posts.asp?TID=9230'.
I want to write it on the class that derives from not CMDIChildWnd but CWnd.
What is insufficient?

1) Create MDI Application without Document/View architecture.
2) Add OnCreate method in CChildView.
3) Edit OnCreate method, Constructor and destructor.

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class CChildView : public CWnd
{
public:
     CChildView() ;
     virtual ~CChildView() ;

protected :
     virtual BOOL PreCreateWindow( CREATESTRUCT& cs ) ;

protected :
     afx_msg int OnCreate( LPCREATESTRUCT lpCreateStruct ) ;
     afx_msg void OnPaint() ;
     DECLARE_MESSAGE_MAP()

     CXTPCommandBars*     m_lpxtpCmdBars ;
} ;


CChildView::CChildView()
{
     m_lpxtpCmdBars = CXTPCommandBars::CreateCommandBars() ;
}

CChildView::~CChildView()
{
     m_lpxtpCmdBars->InternalRelease() ;
}

BEGIN_MESSAGE_MAP( CChildView, CWnd )
     ON_WM_PAINT()
     ON_WM_CREATE()
END_MESSAGE_MAP()

BOOL CChildView::PreCreateWindow(CREATESTRUCT& cs)
{
     if( ! CWnd::PreCreateWindow( cs )) return FALSE ;

     cs.dwExStyle |= WS_EX_CLIENTEDGE;
     cs.style      &= ~WS_BORDER;
     cs.lpszClass = AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS, ::LoadCursor( NULL, IDC_ARROW ), reinterpret_cast< HBRUSH >( COLOR_WINDOW + 1 ), NULL ) ;

     return TRUE ;
}

void CChildView::OnPaint()
{
     CPaintDC dc( this ) ;
}

int CChildView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
     if( CWnd::OnCreate(lpCreateStruct ) == -1 ) return -1 ;

     m_lpxtpCmdBars->GetToolTipContext()->SetStyle( xtpToolTipStandard ) ;
     m_lpxtpCmdBars->SetSite( this ) ;
     m_lpxtpCmdBars->EnableCustomization( FALSE ) ;
     m_lpxtpCmdBars->EnableDocking();

     // Create ToolBar
     CXTPToolBar* lpxtpToolBar = (CXTPToolBar*)m_lpxtpCmdBars->Add( L"Standard", xtpBarBottom ) ;
     if( ! lpxtpToolBar || !lpxtpToolBar->LoadToolBar( IDR_MAINFRAME ))
     {
          TRACE0( "Failed to create toolbar\n" ) ;
          return -1 ;
     }
     lpxtpToolBar->SetShowGripper( FALSE ) ;
     lpxtpToolBar->ShowExpandButton( FALSE ) ;
     lpxtpToolBar->EnableDocking( xtpFlagAlignBottom ) ;

     return 0 ;
}

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I was quite inconsiderate in OnSize.
Thank you Oleg !