Re: What are the elements listed in a dictionary?
Re: What are the elements listed in a dictionary?
- Subject: Re: What are the elements listed in a dictionary?
- From: John Delacour <email@hidden>
- Date: Fri, 21 Mar 2003 23:26:24 +0000
- Mac-eudora-version: 6.0a12
At 4:00 pm -0600 21/3/03, Jeffrey Mattox wrote:
I must have dozed off during an important lesson, so I need some
remedial training. I am confused by the "elements" shown in an
AppleScript dictionary. Unlike the properties list, I've found
nothing useful about the elements list.
For example, a text field has properties such as "text color" and
"bezeled," so I know I can access and manipulate those properties of
my text fields.
A text field also has elements such as "movie view" and "progress
indicator." What does this mean, and how can I use this information?
I think of elements as things that the object _contains_ as opposed
to its properties. For example "message" might be an element of
"mailbox" -- the mailbox contains messages -- but "name" is a
property of "mailbox" that you can change, provided it's not
read-only. Meanwhile the elements that "mailbox" contains will have
their own properties, so you can
set <some property> of <some element> in <some class> to <some value>
If you look at examples in various dictionaries, you'll find that the
dinstinction will become clear. It's an important distinction and
does take a bit of grasping.
JD
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