Re: set understanding to (get explanation)
Re: set understanding to (get explanation)
- Subject: Re: set understanding to (get explanation)
- From: Christopher Nebel <email@hidden>
- Date: Mon, 7 Jul 2008 13:43:32 -0700
On Jul 3, 2008, at 10:23 AM, Luther Fuller wrote:
While fixing an error in another script, I ran the following
experiment to see what would happen.
tell application "Mail"
activate
if (count message viewers) = 0 then make new message viewer
set frontViewer to (some message viewer whose index is 1)
set selected mailboxes of frontViewer to {trash mailbox}
--
set visible messages of frontViewer to (get messages of
frontViewer) -- unthreads the viewer, if threaded
delay 3
set visible messages of frontViewer to (messages of frontViewer) --
rethreads the viewer, if threaded
end tell
beep
If your trash mailbox is not "Organized by Thread", you will not see
anything. If it is threaded, you will see it become unthreaded for 3
seconds. Notice that the two 'set visible ...' lines differ by only
one word, namely 'get'.
Who has an explanation?
The fact that Mail behaves differently might be considered a bug in
Mail, but as for why they *are* different, see the AppleScript
Language Guide's discussion of "get": <http://developer.apple.com/documentation/AppleScript/Conceptual/AppleScriptLangGuide/reference/ASLR_cmds.html#//apple_ref/doc/uid/TP40000983-CH216-SW56
>. Also, watch the event log for the two commands -- observe the
difference.
--Chris Nebel
AppleScript Engineering
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