[Gambas-user] Chronic columnview Woes

[Fabien Bodard]

Use a flag!!!
Le 15 mai 2013 03:46, "Richard Terry" <rterry at ...1823...> a écrit :

> Benoît Minisini wrote:
> > Le 08/05/2013 02:03, Richard Terry a écrit :
> >
> >> Hi List,
> >>
> >>
> >  > ...
> >  >
> >
> >> However, lets say I want to popup a menu of the letters collection:
> >>
> >> If I right mouse click on the list to bring up the menu the
> >> cvwLetters_Menu event triggers, but if one inspects the cvwLetters
> >> control itself in the IDE, the cvwLetters.item.key is null, however the
> >> cvwletters.selected[0] does contain the value one would expect to be in
> >> the cvwLetters.item.key.
> >>
> >> I've tried doing e.g cvwLetters.movecurrent() before popping up the
> >> menu, this does not seem to make much difference.
> >>
> >
> > The Menu event is not an event managed by the ColumnView control, but by
> > its Control parent class. This is the reason why the Item property is
> > not set during the Menu event handler. The Menu event is raised even if
> > you don't click on an item.
> >
> > Normally, the Click event will be raised before the Menu event, and so
> > you can store the key of the ColumnView.Item property during the Click
> > event handler (which is a ColumnView event) to use it later during the
> > Menu event handler.
> >
> >
> >> Also I've a chronic problem trying to generate a columnview click event
> >> in code, with a similar outcome to the above - the item.key is not set
> >>
> >
> > The Item property *is* set during a Click event handler. What are you
> > talking about with "generate a columnview click event"?
> >
> >
> What I meant was this. Lets say you have loaded the columnview with
> data. Now, if the user was sitting in front of the program and wanted to
> select an item in the columnview, then he would click on the column
> which one would then trap the event and do something with it.
>
> I often need to be able to emulate that in code, ie have the program do
> the same thing. Doing this
>
> columnview1.Movefirst()
> columnview1.item.selected = True
>
> will sometimes work ie this triggeres the columnview1_Select() routine
> and any code associated with this.
>
> Hope this is clearer.
>
> Regards
>
> Richard
>
> Richard
>
>
> ------------------------------------------------------------------------------
> AlienVault Unified Security Management (USM) platform delivers complete
> security visibility with the essential security capabilities. Easily and
> efficiently configure, manage, and operate all of your security controls
> from a single console and one unified framework. Download a free trial.
> http://p.sf.net/sfu/alienvault_d2d
> _______________________________________________
> Gambas-user mailing list
> Gambas-user at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gambas-user
>