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If you are asking whether it is possible to protect a program, like
giving it a 30 free trial window, then the answer is Yes. You can
program such a thing. As Dean already mentioned in your previous thread,
there are xtras that can help with that.
If you want to program it yourself, then you may not even need any
xtras. You can save a preference file (using setPref or one of many
other methods) with the installed date. The Director command is "the
date". You, the programmer, are responsible for parsing that date and
using it to see if 30 days have passed (or however long you want). If
the date has passed, then ask for a serial number of some sort, and if
the user can provide it, then run the program, if they can not provide
it, then halt.
Lingo in a Nutshell has an example to expire a program.
"Mati ur Rehman Marwat" <email@example.com> wrote in message
>I ASKED THIS QUESTION SECOND TIME PLEASE ANSWER ME CORRECTLY WHICH I ASKED.
> Can it possible to dissabled the navigation of director file after
> the projector file
> and hand over it to the client and After some days,Month,Year the
> will be fail.
> ie the programer fixed the time to disable that Date and time