ATL / WTL / STL

#define DDX_CONTROL_IMPL(x) \
    class x##_ddx : public CWindowImpl<x##_ddx, x> \
        { public: DECLARE_EMPTY_MSG_MAP() };


class CMainDlg : public CDialogImpl<CMainDlg>, public CUpdateUI<CMainDlg>,
	public CWinDataExchange<CMainDlg>,public CCustomDraw<CMainDlg>,public CDialogResize<CMainDlg>
{
	protected:
		HKEY Regentry;
		DWORD dwData, dwDisp;
		CTreeViewCtrlExImpl UpdateList;
		CButton Install;

		void QueryProductTree();

public:
	enum { IDD = IDD_MAINDLG };

	BEGIN_MSG_MAP(CMainDlg)
		MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
		COMMAND_ID_HANDLER(IDCANCEL, OnCancel)
		COMMAND_ID_HANDLER(IDC_PREF, OnPreference)
		COMMAND_ID_HANDLER(IDC_INSTALL, OnInstall)
	END_MSG_MAP()

	BEGIN_DDX_MAP(CMainDlg)
		DDX_CONTROL(IDC_INSTALLTREE, UpdateList)
	 END_DDX_MAP()

	    BEGIN_UPDATE_UI_MAP(CMainDlg)
    END_UPDATE_UI_MAP()

	BEGIN_DLGRESIZE_MAP(CMainDlg)
        DLGRESIZE_CONTROL(IDC_INSTALLTREE, DLSZ_SIZE_X|DLSZ_SIZE_Y)
    END_DLGRESIZE_MAP()

// Handler prototypes (uncomment arguments if needed):

	LRESULT OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/);	
	LRESULT OnCancel(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/);
	LRESULT OnPreference(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/);
	LRESULT OnInstall(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/);
};

#endif

LRESULT CMainDlg::OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
	// center the dialog on the screen
	CenterWindow();

	// set icons
	HICON hIcon = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDD_MAINDLG), 
		IMAGE_ICON, ::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON), LR_DEFAULTCOLOR);
	SetIcon(hIcon, TRUE);
	HICON hIconSmall = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDD_MAINDLG), 
		IMAGE_ICON, ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON), LR_DEFAULTCOLOR);
	SetIcon(hIconSmall, FALSE);

	if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, "SYSTEM\\CurrentControlSet\\Services\\Redmap Update Manager\\Parameters\\ManagePoint", 
				  0, 0, REG_OPTION_NON_VOLATILE,
				  KEY_ALL_ACCESS, NULL, &Regentry, &dwDisp)) 
		   {
			  printf("Could not create the registry key."); 
			  return 0;
		   }
		dwData = EVENTLOG_ERROR_TYPE | EVENTLOG_WARNING_TYPE | 
        EVENTLOG_INFORMATION_TYPE; 

	Install.Attach(GetDlgItem(IDC_INSTALL));

	UpdateList.Attach(GetDlgItem(IDC_INSTALLTREE));
	QueryProductTree();
	
	return TRUE;
}

LRESULT CMainDlg::OnCancel(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	RegCloseKey(Regentry);
		Regentry = NULL;
		delete Regentry;

		if (this->m_hWnd != NULL)

	EndDialog(wID);
		
	return 0;
}

void CMainDlg::QueryProductTree()
{
	CTreeItem mPoint, Rrite;
    mPoint = UpdateList.InsertItem ( _T("ManagePoint"), TVI_ROOT, TVI_LAST );
    mPoint.AddTail ( _T("ManagePoint 4.3.2.58"), 0 );
    mPoint.AddTail ( _T("ManagePoint 4.3.2.83"), 0 );
	Rrite = UpdateList.InsertItem ( _T("Re-Rite"), TVI_ROOT, TVI_LAST );
    Rrite.AddTail ( _T("Re-Rite 6.1.0.11"), 0 );
    Rrite.AddTail ( _T("Re-Rite 6.1.0.23"), 0 );

	return;
}