This was annoying the first time I ran into it, but overall hasn’t really caused any serious problems for generic programming. If you name the object with the expression, you can use something like:
Form[Object Get name(Object current)]:=x If you need to set properties on a form object (control) like color/disabled/etc, you can use the object name as well. The only problem is you may not be able to effectively use an object name prefix to set properties on a group of controls. I agree it would be nice if references to form controls and access to their values had been thought through a little better, but I doubt it’s likely to change now. Jim Crate > On Feb 3, 2020, at 10:35 PM, Chris Belanger via 4D_Tech > <[email protected]> wrote: > > What a weird ’subject’ for this question. Sorry. Seems quite confusing. > > ———— > > Say that the “variable or expression” for a on-screen object is > Form.LB.Browser.en_edit.FirstName > This is entirely reasonable, as 4D’s ORDA has taught us to use such > ‘expressions’ for the fields > > BUT in the script for this, there is no way to use Self (as there would be if > it was a 4D variable) because it is an ATTRIBUTE of an object. > > This is stupid. > It makes it impossible to write a script as simple as: > > Self->:= Uppercase(Self->) > > Because Self returns a nil pointer. > > So how on earth do we retrieve and set the value under these circumstances? > [GENERICALLY; I do not want to use the object’s “expression” in the script] > > There is no such 4D method as OBJECT Get Value( ) OBJECT SET VALUE( ) > If there were, we could write: > > OBJECT SET VALUE(*; OBJECT Get Name; Uppercase( OBJECT Get Value(Object Get > Name) ) ) // really cumbersome, but is hypothetical because there is no > ‘OBJECT GET / SET VALUE’ command. > > > ********************************************************************** > 4D Internet Users Group (4D iNUG) > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:[email protected] > ********************************************************************** ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
