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참조 URL : http://www.codeproject.com/KB/dialog/SimpleIrregular.aspx

BOOL CTestDlg::OnInitDialog()

{

CDialog::OnInitDialog();

// Set the icon for this dialog.  The framework does this automatically

//  when the application's main window is not a dialog

SetIcon(m_hIcon, TRUE); // Set big icon

SetIcon(m_hIcon, FALSE); // Set small icon

    SetWindowLong(m_hWnd, GWL_STYLE, GetWindowLong(m_hWnd, GWL_STYLE) & (~(WS_CAPTION | WS_BORDER))); 

 

    CRect rect;

    GetWindowRect(&rect);

    int w = rect.Width();

    int h = rect.Height();

    

    CRgn rgn1;

    CRgn rgn2;

#ifdef TEST_RECT

rgn1.CreateRectRgn(1, 1, w, h);

rgn2.CreateRectRgn(10, 10, w-10, h-10);

CombineRgn(rgn1, rgn1, rgn2, RGN_XOR);

#endif

#ifdef TEST_ELLIPSE

rgn1.CreateEllipticRgn(1, 1, w, h/2 + 30);

rgn2.CreateEllipticRgn(1, h/2 - 30, w, h);

CombineRgn(rgn1, rgn1, rgn2, RGN_OR);

#endif

    SetWindowRgn(static_cast<HRGN>(rgn1.GetSafeHandle()), TRUE);

    rgn1.Detach();

    rgn2.Detach();

   

return TRUE;  // return TRUE  unless you set the focus to a control

}