Gets and sets the checkbox status of an item in a tree-view.
The function
tree-view-item-checkbox-status
retrieves the checkbox status of
item
in
tree-view
.
(setf tree-view-item-checkbox-status)
sets the checkbox status of
item
in
tree-view
. The
status
must be an non-negative integer smaller than the number of images in
tree-view
's
state-image-list
.