Re: MessageBox hangs app. AfxMessageBox

"David Ching" <>
Fri, 09 Nov 2007 23:29:33 GMT
"JC" <> wrote in message

I have created a simple application in VS2005. It is a dialog app (not
SDI or MDI). In the application code a CDialog is created; this was put
there by VS2005 code generation.

In the application code a CDialog is created (as mentioned previously).
Then I added a property sheet from the CDialog class.
Then I added property pages from the CPropertySheet class.
When I try to put up an AfxMessageBox or MessageBox, the app. hangs.

I set all dialogs and sheets as "'child" in the dialog editor.

Any ideas? Any help would be greatly appreciated.

BOOL CTestCaseDlg::OnInitDialog()
   CDialog::OnInitDialog(); // wizard generated

   ... Other wizard generated code...

   m_pPSheetCase = new CPSheetCase(m_sWinTitle, (CWnd*)this, 0);
   m_pPSheetCase->Create((CWnd*)this, dwStyle);

   m_pbIDOK = (CButton*)GetDlgItem(IDOK);

   By default, from the VS project wizard, the "Close button" which
   is the 'X' in the upper-right corner of the dialog does not work
   with the IDCANCEL button disabled. To fix it, WM_ON_CLOSE() was
   added to the message map for this file. Also, the overridden
   funcion OnClose() had to be created. Now the 'X' calls OnClose()
   in this cpp file. JAC
   m_pbIDCANCEL = (CButton*)GetDlgItem(IDCANCEL);

   m_pbID_HELP = (CButton*)GetDlgItem(ID_HELP);

   return TRUE; // return TRUE unless you set the focus to a control

CPSheetCase::CPSheetCase(LPCTSTR pszCaption, CWnd* pParentWnd, UINT
   :CPropertySheet(pszCaption, pParentWnd, iSelectPage)
   m_pOsInfo = new (OSVERSIONINFO);
   m_pOsInfo->dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
   //Check if XP Operating System
   bIsWindowsXPorLater = ((m_pOsInfo->dwMajorVersion >5 ) ||
    ( (m_pOsInfo->dwMajorVersion ==5 ) &&
      (m_pOsInfo->dwMinorVersion >=1 ) ) );

   m_pPPage1 = NULL;
   m_pPPage1 = new CPPageCase1;

   m_pPPage2 = NULL;
   m_pPPage2 = new CPPageCase2;

   m_pPPage3 = NULL;
   m_pPPage3 = new CPPageCase3;

   m_pPPage4 = NULL;
   m_pPPage4 = new CPPageCase4;

Maybe the reason is you show the wizard in the OnInitDialog(). What if you
delay showing the wizard until, say a button in the dialog is clicked. Does
the problem go away?

-- David

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