Gets the item and relative place in the collection that an object is being dropped over.
A drop-object , as passed to the drop-callback .
An item of a collection.
drop-object-collection-item returns the item and place relative to that item within the collection that the object
is being dropped over. This information is only meaningful when the pane is an instance of list-panel or tree-view.
drop-object-collection-item should only be called within a
. It is not supported on X11/Motif. See simple-pane for information about drop callbacks.
For an example illustrating the use of drag and drop in a choice, see:
CAPI User Guide and Reference Manual (Macintosh version) - 25 Feb 2015