[AccessD] Form flashes on timer event

I see you got a few replies on this.  Just an FYI, there may not be
anything you can do on this.  Though I will give a suggestion in a
minute.

Access forms don't work like other windows in Windows.  A typical
window, if it has a dozen textboxes, actually has a dozen 'child
windows'. Each control, be it a label, button, textbox, etc., is it's
own window.  With an access form, only the ACTIVE control is it's own
window.  Everything else is just an image painted on the form.  Weird, I
know.  But, it means that changing a value in a control, that doesn't
have focus, is going to 'repaint' the form.

So, my suggestion, is if this is a value being changed frequently,
instead of making it a textbox, turn it into a label, and just update
it's caption.  See if that helps the flicker problem.

Drew

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Rocky Smolin
at Beach Access Software
Sent: Tuesday, April 01, 2008 6:57 PM
To: 'Access Developers discussion and problem solving'
Subject: [AccessD] Form flashes on timer event

Dear List:
 
I've got a fairly complex bound form (no sub forms, though) with a timer
on
it to keep track of elapsed time (timesheet form for a law firm).  SO
they
can start and pause and cancel the timer with a couple of button.  And
it
shows the elapsed time.
 
The timer interval is set to 1000 and each time the timer event fires
the
screen flashes like it's being repainted.
 
Here's the code snip:
 
Private Sub Form_Timer()
 
If boolTrapErrors = True Then On Error GoTo Err_Form_Timer
 
    mdblTotalHours = mdblTotalHours + ((Me.TimerInterval / 1000) / 60) /
60
    Me.txtElapsedHours = DecHoursToHMS(mdblTotalHours)

where Me.txtElapsedHours  is obviously the box where the elapsed tiem is
being displayed.  
 
This is legacy code.  DecHoursToHMS is a function:
 
    DecHoursToHMS = Format(dblHours / 24, "HH:MM:SS")

Is there a way to stop the flashing?  A2K3 BTW.
 
MTIA
 
Rocky
 


 	
	
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