The Face Object Field Actors on drop - r3n/rebol-wiki GitHub Wiki

on-drop can be invoked after on-click, if a drag object exists and a mouse up event for either left, middle or right button happens.

After on-drop, the drag object is automatically destroyed. on-drop is used regardless of whether the drag operation was started over this face or a different face.

It can also be invoked if a file is dragged and dropped from the desktop over the face.

The argument is the drag object. A return value is not necessary.

on-drop: [
  ; write an example here
]