[Gambas-user] How to set a slider value?

[Aleksandrs Livshics]

On Tuesday 25 August 2009 12:25:08 Fabien Bodard wrote:
> you don't understand the stop event function..
>
> stop event stop the event propagation...(so the widjet stop to act)
> but not the current sub execution !
>
> if you want to stop the sub too you need to add a 'return' keyword !
>
>
>
> if ok then
>   stop event
>   return
> endif
>
> nevertheless send me a short sample exemple and i will see what i can do
>
> 2009/8/25 Aleksandrs Livshics <aleks.l at ...1865...>:
> > On Monday 24 August 2009 17:33:39 Fabien Bodard wrote:
> >> 2009/8/24 Aleksandrs Livshics <aleks.l at ...1865...>:
> >> > Dear Gambas users,
> >> > I am new to Gambas and my question may be silly,
> >> > however I cannot find how to set a slider value in the
> >> > code. (Not the initial value, this is easy)
> >> > I want to specify some event (like double click on a slider)
> >> > to force it to jump to a predefined position/value.
> >> >
> >> > If I write Dbl_click() method and use something like
> >> > My_slider.value = The_value
> >> > in it, then slider on screen does not move from where
> >> > I have set it previously with a mouse. More precisely,
> >> > It jumps to a position which corresponds to The_value
> >> > and back to where it was before!
> >> > Any ideas would be helpful.
> >>
> >> try to stop the event after setting the value
> >>
> >> public sub MySlider_DblClick()
> >>   My_slider.value = The_value
> >>   Stop Event
> >> end
> >
> > Thank you for a quick reply. Unfortunately
> > when I have added the "STOP EVENT " line
> > nothing really has been changed. When I assign
> > some value to the slider and PRINT it after the "STOP EVENT"
> > I have the wanted value printed 2 TIMES and  then probably the
> > "change"  event happens. In my "Change"
> > I print the value again as you see below. It is printed also 2
> > times and in both cases the old value is restored.
> >
> >
> > PUBLIC SUB SMySlider_Change()
> > PRINT "  Change -> ", MySlider.value
> > END
> >
> > The slider on the screen shows the same:
> > first it jumps to a specified position and the back...
> > Alex
> >
> >
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OK, here is an example...
The form has just one slider, nothing else.
I want it to jump to ZERO if double clicked, no matter
where it was before.
If it is not at the ZERO position when double clicked
it in fact jumps to ZERO and immediately back !...
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# Gambas Form File 2.0

{ Form Form
  MoveScaled(0,0,50,50)
  Text = ("")
  { Slider1 Slider
    MoveScaled(6,20,36,3)
  }
}