John Allijn wrote:
I created a stack, just the way I used to do it in hypercard. Basic cards with
a next and a prev button and a few text-fields to enter text into.
All looks nice and I can tunr it into a mac/win application. Entering text in
the standalone also works great, but when I exit the application and open it
again, all fields are empty.
I guess I'm forgetting something (?) can anyone tell me how to save the data I
entered on the card? (tried to search on the forum, but that is down because of
maintanance...)
This is an OS issue, in which pretty much all OSes prevent an executable
from modifying itself.
HyperCard was able to work around that because of the dual-fork nature
of Mac Classic, in which the executable code was stored in the resource
fork while the data fork remained modifiable.
Under the Mach system OS X uses, the Mac is now more like other OSes in
that regard, with executable code now residing in the data fork (I
believe the resource fork has been slated for deprecation somewhere down
the road IIRC).
That said, it's still easier to work with this in LiveCode than it is in
nearly any other RAD tool - Sarah Reichelt has you covered here:
<http://livecodejournal.com/tutorials/saving_data_in_revolution.html>
--
Richard Gaskin
Fourth World
LiveCode training and consulting: http://www.fourthworld.com
Webzine for LiveCode developers: http://www.LiveCodeJournal.com
LiveCode Journal blog: http://LiveCodejournal.com/blog.irv
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