> [Letter Templates]WP_SeriesPictures:=oPictures Both [Letter Templates]WP_SeriesPictures and oPictures point to the same C_Object instance in memory. If you change either one, they are “both” changed.
> [Letter Templates]WP_SeriesPictures:=OB Copy(oPictures) [Letter Templates]WP_SeriesPictures and oPictures now point to completely separate C_Object instances in memory. If you change one, the other is unaffected. A deep copy means that if the object being copied has child objects (and grandchildren, etc.), they are all copied as well. It is then safe to modify any level of object knowing you won’t modify the original object. -- Cannon.Smith Synergy Farm Solutions Inc. Hill Spring, AB Canada 403-626-3236 <[email protected]> <www.synergyfarmsolutions.com> > On Jun 12, 2018, at 7:08 PM, johnbdhPop via 4D_Tech <[email protected]> > wrote: > > What is the difference between the following... > > [Letter Templates]WP_SeriesPictures:=oPictures > [Letter Templates]WP_SeriesPictures:=OB Copy(oPictures) > > > Both work. The LRM for OB Copy speaks to “a complete (deep) copy of the > properties”. What does “deep” mean. ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
