Used to capture the drag-move event when drag & drop node.
Mainly used to capture the DOM which the nodes was drag in.
Default: null
event Object
zTree unique identifier: treeId, the id of the containing tree.
A collection of the nodes which will be dragged
function myOnDragMove(event, treeId, treeNodes) {
console.log(event.target);
};
var setting = {
callback: {
onDragMove: myOnDragMove
}
};
......