Finding an Index by y Coordinate
If you know a y coordinate
in the Listbox, you can determine the index of the nearest Listbox
item to it by using the nearest
method:
$index = $lb->nearest(y
)
The nearest
method returns a number that
corresponds to the index of the closest visible Listbox item.
Get Mastering Perl/Tk now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.