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Unit 4: Windows Controls
14. In the Properties window, click ID and type IDC_CLOSE_BTN Notes
15. On the dialog box, right-click the button and click Add Variable...
16. In the Access combo box, select private
17. In the Variable Name, type m_BtnClose
18. Click Finish
19. In the Class View, enlarge the project. In the upper part of the Class View, click
CAppLauncher1
20. In the lower part of the Class View, double-click OnInitDialog()
21. Set the caption of the button to “Close” as below:
BOOL CAppLauncher1Dlg::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)
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