Narinder,

there is a working method from Bertrand.
http://forums.4d.com/Post/DE/17445198/1/17445199

Open the struct, copy the method and enjoy

Regards Armin


4D Tech mailing list wrote
> Hi all. I am migrating a v15 database to v17, 4D Server running on Mac. I
> need some opinions as to what to do with regards to converting commands
> marked as obsolete as per this article:
> 
> https://doc.4d.com/4Dv15/4D/15/Deprecated-or-removed-features-in-v15-product-range.200-2063067.en.html
> 
> I have been addressing them by theme, and in some cases the conversion is
> straight forward, e.g. _o_ENABLE BUTTON/_o_DISABLE BUTTON is replaced by
> OBJECT SET ENABLED whilst some others can be removed completely, e.g.
> _o_REDRAW LIST.
> 
> I am now looking at how to deal with the obsolete Compiler theme commands
> _o_C_INTEGER, _o_C_STRING and _o_ARRAY STRING.
> 
> _o_C_INTEGER I have simply replaced with C_LONGINT as the docs state that
> "...4D and the compiler retype Integers into Longints internally."
> 
> However, I am conflicted as to how best to deal with _o_C_STRING and
> _o_ARRAY STRING which are replaced by C_TEXT and ARRAY TEXT respectively.
> The docs state "The operation of the [_o_C_STRING/_o_ARRAY STRING] command
> is strictly identical to that of the [C_TEXT/ARRAY TEXT]". Of course the
> string length parameter in the obsoleted commands makes the conversion
> non-trivial and code will need to reviewed for any functional regressions,
> e.g. in relation to database fields of type String where the length can
> still be defined (auto-truncation may not be the desired/intended
> behaviour!).
> 
> I have searched the archives on this topic but opinions seem to be divided
> on whether or not to do this conversion? Perhaps I am mistaken, but I am
> of the opinion that it will have to be done sooner or later as 4D reserves
> the right to remove obsoleted commands and will eventually do so?
> 
> TL;DR the options are:
> 1. Replace
> 2. Do nothing for v17
> 
> Thoughts?
> 
> I will deal with my questions and options regarding Subrecords in a
> separate email!
> 
> Regards,
>  
> Narinder Chandi,





--
Sent from: http://4d.1045681.n5.nabble.com/4D-Tech-f1376241.html
**********************************************************************
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]
**********************************************************************

Reply via email to