What command do you use to select the previous and next clickline
in the
scrolling list field. Thank you
Instead of tracking the clickLine in a global, you might do better to
have your button get the hilitedLines of the list field. If you allow
multiple selections, this will be a comma-delimited list of line
numbers. If you only allow a single line to be selected at a time,
this will be a single line number.
As well as using this line number to play the current track, you can
also use it to move up & down the list. Here is an example script for
a "Previous" button:
on mouseUp
put the hilitedLine of fld "List" into tLineNum
if tLineNum > 1 then
set the hilitedLine of fld "List" to tLineNum - 1
-- do whatever you want to do when the previous line is selected
end if
end mouseUp
This assumes you only allow a single selection at a time.
The "Next" script will be much the same, except it needs to check for
trying to select more lines than the field holds.
Sarah
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