Visual C++ and MFC Programming 2nd Edition

Chapter 12: Dialog-Based Windows Visual C++ and MFC Fundamentals

SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

// Center icon in client rectangle

int cxIcon = GetSystemMetrics(SM_CXICON);

int cyIcon = GetSystemMetrics(SM_CYICON);

CRect rect;

GetClientRect(&rect);

int x = (rect.Width() - cxIcon + 1) / 2;

int y = (rect.Height() - cyIcon + 1) / 2;

// Draw the icon

dc.DrawIcon(x, y, m_hIcon);

}

else

{

CPropertyPage::OnPaint();

}

}

HCURSOR CQuadrilateral::OnQueryDragIcon()

{

return (HCURSOR) m_hIcon;

}

12. Save All


13. On the main menu, click either Insert -> Resource... (MSVC 6) or Project -> Add
    Resource... (MSVC 7)


14. In the Add Resource dialog box, click the + button of Dialog to expand it


15. Click IDD_PROPPAGE_LARGE


16. Click New


17. Delete the TODO line


18. Change the ID of the new dialog to IDD_CIRCULAR and its Caption to Circular


19. On the Controls toolbox, click the Slider button and click anywhere on the
    dialog box


20. If you are using MSVC 6, right-click the Circular dialog box and click ClassWizard.
    A message box will display. Read it. Select Create A New Class and click OK.