Re: Send message issue

From:

nicetom786@yahoo.com

Newsgroups:

microsoft.public.vc.mfc

Date:

8 Jun 2006 09:21:26 -0700

Message-ID:

<1149783686.198607.221550@u72g2000cwu.googlegroups.com>

Ajay,
I did not confirm from Spy++.
the debugger breaks at
mv->m_myCtrlTab->mydialog->m_ListCtrlTwo.SendMessage(WM_INSERT_ITEMS,0,0);
stating the window of is null.

Both these controls are sublcaased and I am missing anything and also
the Do Data Exchange of View also looks fine.
void CCView::DoDataExchange(CDataExchange* pDX)
{
    CFormView::DoDataExchange(pDX);
    DDX_Control(pDX, IDC_LIST_RESULTS, m_myListCtrlOne);
    DDX_Control(pDX, IDC_TAB_CTRL, m_myCtrlTab);

}

I did not add DoDataExhange for TabCtrl -
but in tabctrl.h file i decalred the variables

CMyDaialog *userDlg;

Is this the problem?

in the DoDataExhange of CDialog
void CUserDataDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    DDX_Control(pDX, IDC_LIST_STUDY_SERIES, m_myListCtrlTwo);
}
in the view ,
i declared the variable sof listctrl and tabctrl only.
Is this the problem?

pls confirm

Ajay Kalra wrote:

Your code looks fine on both sides. Did you confirm that this message
is being sent by using Spy++? Also, how did you ensure that the message
is not being handled?

---
Ajay

nicetom786@yahoo.com wrote:

Ajay Kalra wrote:

You SendMessage code looks fine. How about the code on the subclassed
control side. Are you putting the appropriate message map to handle the
message. Also you should use Spy++ to see that the message is indeed
coming to the control.

----
Ajay

Hi Ajay,

Here is the code on the other side for Control1

CMyListCtrlOne.h
void CMyListCtrlOne::OnNMClick(NMHDR *pNMHDR, LRESULT *pResult)
{

        CFrameWnd * pFrame = (CFrameWnd *)(AfxGetApp()->m_pMainWnd);
       //now get the view from frame
      CCView *mv = (CCView*)pFrame->GetActiveView();
     mv->m_ListCtrlTwo.SendMessage(WM_INSERT_ITEMS,0,0);

}

Here is the code on the other side for Control2

subclassed control 2
CMyListCtrlTwo.h
afx_msg LRESULT OnInsertItemsinStudy(WPARAM,LPARAM);

CMyListCtrlTwo.cpp

BEGIN_MESSAGE_MAP(CMyListCtrlTwo, CListCtrl)
    ON_MESSAGE(WM_INSERT_ITEMS,OnInsertItemsinStudy)
END_MESSAGE_MAP()

LRESULT CMyListCtrlTwo::OnInsertItemsinStudy(WPARAM,LPARAM)
{
AfxMessageBox(_TEXT("IN list ctrl two"),0,0);
return 1;
}