C / C++ / MFC

s196675m wrote:

I think DoDataExchange called before calling OnInitDialog

void CTestdynDlg::DoDataExchange(CDataExchange* pDX)
{
   CDialog::DoDataExchange(pDX);
   //{{AFX_DATA_MAP(CTestdynDlg)
   DDX_Control(pDX, IDC_LIST, m_list);// static listbox
   <font color="Red">if (m_dynalist)</font>
   <font color="Red">{
      //**EDIT** Actually DDX_Control isn't needed.  The control is already subclassed
      //   when it is created
</font>      <font color="Red">//DDX_Control(pDX, IDC_LISTTEST, *m_dynalist);//dynamic listbox</font>
   <font color="Red">}</font>
   DDX_Control(pDX, IDC_EDIT, m_edit);
   DDX_Text(pDX, IDC_EDIT, m_editstr);
   //}}AFX_DATA_MAP
}

BOOL CTestdynDlg::OnInitDialog()
{
   <font color="Red">// create m_dynalist here!</font>

   <font color="Red">// Now call the base class OnInitDialog()</font>
   CDialog::OnInitDialog();
}

Mark Salsbery
Microsoft MVP - Visual C++

s196675m wrote:

DDX_Control(pDX, IDC_LISTTEST, *m_dynalist);//dynamic listbox

s196675m wrote:

ON_LBN_SELCHANGE(IDC_LIST, OnSelchangeDynaList)// dynamic listbox

<br />
void CTestdynDlg::DoDataExchange(CDataExchange* pDX)<br />
{<br />
	CDialog::DoDataExchange(pDX);<br />
	//{{AFX_DATA_MAP(CTestdynDlg)<br />
	DDX_Control(pDX, IDC_LIST, m_list);<br />
	if (m_dynalist){<br />
		DDX_Control(pDX, IDC_LISTTEST, *m_dynalist);<br />
	}<br />
	DDX_Control(pDX, IDC_EDIT, m_edit);<br />
	DDX_Text(pDX, IDC_EDIT, m_editstr);<br />
	//}}AFX_DATA_MAP<br />
<br />
}<br />
<br />
BEGIN_MESSAGE_MAP(CTestdynDlg, CDialog)<br />
	//{{AFX_MSG_MAP(CTestdynDlg)<br />
	ON_WM_PAINT()<br />
	ON_WM_QUERYDRAGICON()<br />
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)<br />
	ON_LBN_SELCHANGE(IDC_LIST, OnSelchangeList)<br />
	ON_LBN_SELCHANGE(IDC_LISTTEST, OnSelchangeDynaList)<br />
<br />
	//}}AFX_MSG_MAP<br />
<br />
END_MESSAGE_MAP()<br />
<br />
BOOL CTestdynDlg::OnInitDialog()<br />
{<br />
<br />
	m_dynalist = new CListBox;<br />
<br />
	m_dynalist->CreateEx( WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_TOOLWINDOW,<br />
	_T("LISTBOX"),<br />
	NULL,<br />
	WS_CHILD | WS_BORDER,<br />
	CRect(0, 0, 100, 70),<br />
	this,<br />
	IDC_LISTTEST,<br />
	NULL);<br />
	CDialog::OnInitDialog();<br />
<br />
	// Set the icon for this dialog.  The framework does this automatically<br />
	//  when the application's main window is not a dialog<br />
	SetIcon(m_hIcon, TRUE);			// Set big icon<br />
	SetIcon(m_hIcon, FALSE);		// Set small icon<br />
<br />
	// dynamic list control<br />
	m_dynalist->MoveWindow(130,200, 110, 100);<br />
<br />
	m_dynalist->AddString("oone");<br />
	m_dynalist->AddString("TTwo");<br />
<br />
	m_dynalist->UpdateData(FALSE);// false true both same effect here<br />
	m_dynalist->ShowWindow(SW_SHOW);<br />
	<br />
	// TODO: Add extra initialization here<br />
	// static list control<br />
	m_list.InsertString(0,"one");<br />
	m_list.InsertString(1,"two");<br />
	m_list.InsertString(2,"three");<br />
<br />
<br />
	return TRUE;  // return TRUE  unless you set the focus to a control<br />
}<br />
void CTestdynDlg::OnSelchangeDynaList() <br />
{<br />
	// TODO: Add your control notification handler code here<br />
	CString  str;<br />
<br />
	int isel = m_dynalist->GetCurSel();<br />
	m_dynalist->GetText(isel,str);<br />
	m_editstr = str;<br />
	m_edit.SetWindowText(str);<br />
	<br />
}<br />
<br />
<br />

s196675m wrote:

m_dynalist->UpdateData(FALSE);// false true both same effect here

Mark Salsbery
Microsoft MVP - Visual C++

s196675m wrote:

Thank you

Mark Salsbery
Microsoft MVP - Visual C++

<br />
DWORD dwType;<br />
if (!InternetGetConnectedState(&dwType, 0))<br />
{<br />
	AfxMessageBox("cable unplugged");<br />
}<br />
else<br />
	AfxMessageBox("connection is there");<br />

DWORD dwType;
BOOL m_bConnect;
  m_bConnect = InternetGetConnectedState ( &dwType, 0 );
if (m_bConnect)
 if ( dwType & INTERNET_CONNECTION_OFFLINE )
      bConnect = FALSE;