Re: An simple class derived from CDialog

From:
"David Ching" <dc@remove-this.dcsoft.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Fri, 08 Feb 2008 18:18:03 GMT
Message-ID:
<v11rj.9175$J41.1329@newssvr14.news.prodigy.net>
Does it work? ;)

It looks good, but in OnEraseBkgnd, don't call the CDialog one or it will
paint something over your red rectangle; just return TRUE.

-- David

"Erakis" <eraquila@hotmail.com> wrote in message
news:e3e5ede5-1e51-4f38-9c98-7fd09b63be85@q21g2000hsa.googlegroups.com...
Here is what I did so far :

*************************************************************************************************************************
DialogBaseRedBackground.h
?????????????????????????
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
?????????????????????????
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
?????????????????????????
class CMyDialog: public CBaseDialog
....

CMyDialog.cpp
?????????????????????????
CMyDialog::CMyDialog(CWnd* pParent /*=NULL*/)
    : CDialogBaseRedBackground(CMyDialog::IDD, pParent)
{
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
*************************************************************************************************************************

Did I did it correctly ?
Thank for your help it is very appreciated ;)

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