Re: SetTimer -> OnTimer driving me crazy

From:
"Mark D. Reap" <mdreap@swbell.net>
Newsgroups:
microsoft.public.vc.mfc
Date:
Mon, 22 May 2006 01:15:09 GMT
Message-ID:
<xg8cg.79795$H71.3870@newssvr13.news.prodigy.com>
David,

Thanks very much. This worked right away. I don't program that often and
the last time was in Linux and I may have thinking in terms of Unix
callbacks...

Thanks again.

Mark

"David Wilkinson" <no-reply@effisols.com> wrote in message
news:OExxGISfGHA.356@TK2MSFTNGP02.phx.gbl...

Mark D. Reap wrote:

Hi,

I found numerous examples of SetTimer and OnTimer examples on the web and
they all look similiar to what I have tried here, but my OnTimer function
is never executed.

I created a SDF Application and launched a dialog off of the menu. In
the Dialog I call a SetTimer and then delcared a OnTimer function also a
member of the same dialog object. I never get the TRACE statement in the
OnTimer to fire and a button displays that the global_sent variable is
never updated.

Here's where I set the timer in the dialog's OnItit function:

--------------------------------------------------------------------------------------
BOOL CMyDialog::OnInitDialog()
{
 int success;
 CDialog::OnInitDialog();

 global_sent = 0;
 success = SetTimer(3,2000,NULL);

 TRACE("Succes = %d\n", success);

 // TODO: Add extra initialization here

 return TRUE; // return TRUE unless you set the focus to a control
               // EXCEPTION: OCX Property Pages should return FALSE
}
--------------------------------------------------------------------------------------

Here's where I defined the OnTimer function:

--------------------------------------------------------------------------------------
void CMyDialog::OnTimer(UINT nIDEVENT)
{

 global_sent++;

 TRACE("Here\n");

 AfxMessageBox("hello");

}
--------------------------------------------------------------------------------------

Thanks for any info.... It seems that it should be so easy...

Mark Reap
mdreap@swbell.net


Mark:

When you pass NULL as the third parameter to CWnd::SetTimer(), you must
handle WM_TIMER message. Did you do this? If not, get rid of your existing
OnTimer() declaration and definition, and let the ClassWizard regenerate
them for you with the correct mesage map entry.

David Wilkinson

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