Gets the checkbox statuses of a tree-view item's children.
A list of conses ( child . status ) where each child is a child of item and status is child 's checkbox status.
The function
tree-view-item-children-checkbox-status
returns
item
's children together with their checkbox statuses.
Note that, if
item
has not been expanded in
tree-view
, then it has no children and
result
will be
nil
.