Zeus Tech Note
Restoring a Projector's State
(This document last revised May 6, 1997)
Copyright © 1996-1997. Zeus
Productions. All Rights Reserved.
Written by Bruce A. Epstein
To restore a projector's state, you must:
- Locate or create an appropriate folder on the user's hard drive to
store a small text file
- Create a file that records the current frame number and movie name
- Include any other data to be stored, such as global variables
- Read that file when the projector is restarted
- Delete the file after reading it, so that it is not read the next
time the projector runs
You can use the FileIO Xtra that comes with Director to read and write files.
The file will need to reside on the hard drive if you are running from a
CD. You will also need to write out, and read back in, any other data which
you need saved between sessions, such as global variables.
Using a text file is easiest, but you could also use a Windows INI file
to store data.
Bruce Epstein, principal of Zeus Productions, has written an extensive chapter
on this topic for a book he co-authored called "Director Power Solutions"
from New Riders Publishing. The chapter includes details on saving and retrieving
different types of data, and shows how to implement a high score chart.
Contact Zeus Productions to order
the book.
Zeus Productions also sells a complete Lingo example called "zRestore"
demonstrating this technique. Refer to our Zingo
Library . zRestore is available at a discount to registered users of
zLaunch.
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Copyright © 1996-1997. Zeus
Productions. All Rights Reserved.