Could you tell me if it is possible to stop a tree node fro

could you tell me if it is possible to stop a tree
node from being removed after it is dragged to another tree?

The
PRO version of tree supports “Mercy drag” feature (enableMercyDrag).

In
“mercy drag” mode, dragged node is not deleted from original place.

Please
check samples/pro_mercy_drag.html from PRO package.