BOOL CExample33Dlg::OnInitDialog()
{   CDialogEx::OnInitDialog();   // Add "About..." menu item to system menu.   // IDM_ABOUTBOX must be in the system command range.   ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);   ASSERT(IDM_ABOUTBOX < 0xF000);   CMenu* pSysMenu = GetSystemMenu(FALSE);   if (pSysMenu != NULL)   {   BOOL bNameValid;   CString strAboutMenu;   bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);   ASSERT(bNameValid);   if (!strAboutMenu.IsEmpty())   {   pSysMenu->AppendMenu(MF_SEPARATOR);   pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);   }   }   // 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   // TODO: Add extra initialization here   CRect tabRect;   // 标签控件客户区的位置和大小
  m_tab.InsertItem(0, _T("鸡啄米"));         // 插入第一个标签“鸡啄米”   m_tab.InsertItem(1, _T("Android开发网"));  // 插入第二个标签“Android开发网”   m_jzmDlg.Create(IDD_JIZHUOMI_DIALOG, &m_tab);    // 创建第一个标签页   m_androidDlg.Create(IDD_ANDROID_DIALOG, &m_tab); // 创建第二个标签页
  m_tab.GetClientRect(&tabRect);    // 获取标签控件客户区Rect   // 调整tabRect，使其覆盖范围适合放置标签页   tabRect.left += 1;                  tabRect.right -= 1;   tabRect.top += 25;   tabRect.bottom -= 1;   // 根据调整好的tabRect放置m_jzmDlg子对话框，并设置为显示
    m_jzmDlg.SetWindowPos(NULL, tabRect.left, tabRect.top, tabRect.Width(), tabRect.Height(), SWP_SHOWWINDOW);   // 根据调整好的tabRect放置m_androidDlg子对话框，并设置为隐藏
    m_androidDlg.SetWindowPos(NULL, tabRect.left, tabRect.top, tabRect.Width(), tabRect.Height(), SWP_HIDEWINDOW);   return TRUE;  // return TRUE  unless you set the focus to a control
}  

void CExample33Dlg::OnTcnSelchangeTab1(NMHDR *pNMHDR, LRESULT *pResult)
{   // TODO: Add your control notification handler code here   *pResult = 0;   CRect tabRect;    // 标签控件客户区的Rect   // 获取标签控件客户区Rect，并对其调整，以适合放置标签页   m_tab.GetClientRect(&tabRect);   tabRect.left += 1;   tabRect.right -= 1;   tabRect.top += 25;   tabRect.bottom -= 1;   switch (m_tab.GetCurSel())   {   // 如果标签控件当前选择标签为“鸡啄米”，则显示m_jzmDlg对话框，隐藏m_androidDlg对话框   case 0:   m_jzmDlg.SetWindowPos(NULL, tabRect.left, tabRect.top, tabRect.Width(), tabRect.Height(), SWP_SHOWWINDOW);   m_androidDlg.SetWindowPos(NULL, tabRect.left, tabRect.top, tabRect.Width(), tabRect.Height(), SWP_HIDEWINDOW);   break;   // 如果标签控件当前选择标签为“Android开发网”，则隐藏m_jzmDlg对话框，显示m_androidDlg对话框   case 1:   m_jzmDlg.SetWindowPos(NULL, tabRect.left, tabRect.top, tabRect.Width(), tabRect.Height(), SWP_HIDEWINDOW);   m_androidDlg.SetWindowPos(NULL, tabRect.left, tabRect.top, tabRect.Width(), tabRect.Height(), SWP_SHOWWINDOW);   break;   default:   break;   }
}