Thread: problem with MFC application

  1. #1
    Registered User Micko's Avatar
    Join Date
    Nov 2003

    problem with MFC application

    I have no experience with MFC. I found program on the interten that could help me with my studies. I decided to change it a little, but problems come up. Program is a dialog application and uses 2 sliders that are connected to teht fields and problebly some other things. Connected means when set text field slider is moved. That slider are notr necessary and when I try to delete them by simply deleting from dialog form program crushes at runtime. It appears problem is in other file that I don't see in my solution explorer (Visual C++ .net) from example
    in dlgdata.cpp
    HWND CDataExchange::PrepareCtrl(int nIDC)
    	ASSERT(nIDC != 0);
    	ASSERT(nIDC != -1); // not allowed
    	HWND hWndCtrl;
       COleControlSite* pSite = NULL;
    	m_pDlgWnd->GetDlgItem(nIDC, &hWndCtrl);
    	if (hWndCtrl == NULL)
    	  // Could be a windowless OCX
    	  pSite = m_pDlgWnd->GetOleControlSite(nIDC);
    	  if (pSite == NULL)
    		   TRACE(traceAppMsg, 0, "Error: no data exchange control with ID 0x%04X.\n", nIDC);
    		   ASSERT(FALSE);//here's breakpoint
    	m_idLastControl = nIDC;
    	m_bEditLastControl = FALSE; // not an edit item by default
       return hWndCtrl;
    in winocc.cpp

    		return m_pCtrlSite->ModifyStyleEx(dwRemove, dwAdd, nFlags);
    void CWnd::SetWindowText(LPCTSTR lpszString)
    	ASSERT(::IsWindow(m_hWnd) || (m_pCtrlSite != NULL));
    //again on ASSERT
    	if (m_pCtrlSite == NULL)
    		::SetWindowText(m_hWnd, lpszString);
    and in cther files.
    I really don't have clue what is happening and would like to asike if someone who is good with MFC is willing to send him project by email to look this.

    Thank you

  2. #2
    Registered User
    Join Date
    Nov 2001
    Remove all code that contains the slicer resource ID.


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