Re: An simple class derived from CDialog

Here is what I did so far :

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DialogBaseRedBackground.h
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class CDialogBaseRedBackground : public CDialog
{
public:
          CDialogBaseRedBackground(void);
        ~CDialogBaseRedBackground(void);
          CDialogBaseRedBackground(UINT nIDTemplate, CWnd* pParentWnd
= NULL);

          DECLARE_MESSAGE_MAP()
          afx_msg BOOL OnEraseBkgnd(CDC* pDC);
};

DialogBaseRedBackground.cpp
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CDialogBaseRedBackground::CDialogBaseRedBackground(void)
{
}

CDialogBaseRedBackground::CDialogBaseRedBackground(UINT nIDTemplate,
CWnd* pParentWnd) :
    CDialog(nIDTemplate, pParentWnd)
{
}

CDialogBaseRedBackground::~CDialogBaseRedBackground(void)
{
}

BEGIN_MESSAGE_MAP(CDialogBaseRedBackground, CDialog)
    ON_WM_ERASEBKGND()
END_MESSAGE_MAP()

BOOL CDialogBaseRedBackground::OnEraseBkgnd(CDC* pDC)
{
    RECT r;
    GetWindowRect( &r );
    pDC->FillSolidRect(&r, RGB(255, 0, 0) );
    return CDialog::OnEraseBkgnd(pDC);
}

CMyDialog.h
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class CMyDialog: public CBaseDialog
...

CMyDialog.cpp
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CMyDialog::CMyDialog(CWnd* pParent /*=NULL*/)
    : CDialogBaseRedBackground(CMyDialog::IDD, pParent)
{
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
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Did I did it correctly ?
Thank for your help it is very appreciated ;)