$listbox->insert('end', "Puerto Rico", "Virgin Islands", "Guam");

$listbox->delete(0,'end');

@items = $listbox->get(0,'end');

anchor

Sets the anchor index to the specified index.

clear

Clears any selected list items in the specified range. For example, to clear all selections:

$listbox->selection('clear', 0, 'end');

includes

Returns 0 or 1 depending on whether the specified item is already selected:

$listbox->selection('includes', 'end');

set

Selects a range of items in the listbox:

$listbox->selection('set', 0, 'end');

index

If the first argument is an index, that position becomes the leftmost position in view.

moveto

Moves the specified fraction of the listbox to the left of the visible portion.

scroll

Scrolls the text left or right by the specified number of units (characters, in this context) or pages. Used primarily as a callback to a scrollbar; pressing on an arrow would move by units (characters), and pressing on the trough would move by pages. The number is either 1 or -1, to move forwards or backwards, respectively.

index

If the first argument is an index, that position becomes the topmost position in view.

moveto

Moves the specified fraction of the listbox to the top of the visible portion.

scroll

Scrolls the text up or down by the specified number of units (lines, in this context) or pages. Used primarily as a callback to a scrollbar; pressing on an arrow would move by units (lines), and pressing on the trough would move by pages. The number is either 1 or -1, to move forwards or backwards, respectively.