A pane that displays a hierarchical list of items which (unlike tree-view) allows extended selection.
capi
The class extended-selection-tree-view
is like tree-view but allows more than one item to be selected at once.
extended-selection-tree-view
is a subclass of collection, it does its own items handling and you must not access its items and related slots directly. In particular for extended-selection-tree-view
do not pass :items
, :items-count-function
, :items-get-function
or :items-map-function
, and do not use the corresponding accessors.extended-selection-tree-view
with the second argument being a list of the selected items, unless interaction is :single-selection
, in which case it behaves the same as in tree-view.
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42