Subject Re: timer class From Mustansir Ghor <mustan31@hotmail.com> Date Mon, 25 Jul 2022 04:07:24 -0400 Newsgroups dbase.getting-started Dear Lee Thank you. A valuable input to address the problem. Best Regards Mustansir Lee Grant Wrote: > Mustansir, > > Yes, the timer() object can be a pain, using it in and out of the IDE > designer interface. Not sure who helped me with this, but it helps to do > this. > > In my onOpen method, I check first if we are inDesign mode, and if so, > the timer is disabled.  The problem becomes that when we tweak in the > designer and then run our form from the designer we tend to forget that > this following code will not execute again. Therefor, I added a button > to the form, that I click to disable the timer before I click for the > dessigner to reopen the form for fixing in the designer.  Here's my code > in my onOpen method: > > >    function form_onOpen() > >        if this.inDesign == true > >          this.timer := Null > >          this.timer.ontimer := Null > >          this.timer.enabled = false > >          return > >         else > >        this.timer = new Timer( ) // Make timer a property of the form > >        this.timer.parent = this // Assign form as timer's parent > >        this.timer.onTimer = this.updateClock // Assign method in form to timer > >        this.timer.interval = 2 // Fire timer every 2 seconds > >        this.timer.enabled = true // Activate timer > >        //shell(false) > >        endif > >       return > > And this is the code I use for a custom button on the form to remind me > why I push that button when running the form. :) > > >    this.STOPTIMER_PB = new LGCPUSHBUTTON(this) > >    with (this.STOPTIMER_PB) > >       onClick = class::STOPTIMER_PB_ONCLICK > >       onMouseOver = class::STOPTIMER_PB_ONMOUSEOVER > >       onMouseOut = class::STOPTIMER_PB_ONMOUSEOUT > >       height = 24.0 > >       left = 709.0 > >       top = 614.0 > >       width = 107.0 > >       text = "Stop Timer" > >       statusMessage = "" > >       speedTip = "This stops the Clock timer so we can go into Design mode" > >    endwith > > > > > >    function STOPTIMER_PB_onClick() > >       this.parent.timer.enabled := false > >       return > > This allows you to use the one form, instead of having to update two > forms or forgetting which one you fixed.  This way, all I have to > remember is that before going into designer mode from run mode is to hit > that stop button and then I can safely go into designer mode without the > timer causing a problem. Couple that with Mervyn's explanation and you > can find a way to work around the form giving you problems in and out of > design mode when you use a timer class. > > Lee > > > On 7/24/2022 2:28 PM, Mustansir Ghor wrote: > > Dear Mervyn Sir > > > > I agree with your explanation and was aware of it but I am at development stage. Here on IDE i use design and run icons to test my form. So  thought may be  onDesign form event or somewhere I could close the form so that I dont get disrupted with the error. > > > > Yes as Andy says learning process never ends. > > > > Regards to all > > Mustansir > > > > Mervyn Bick Wrote: > > > <snip> >