DragAndDropMode: PP.Ui.TreeListDragAndDropMode;
The DragAndDropMode property determines drag-and-drop mode.
By default it contains single mode: PP.Ui.TreeListDragAndDropMode.Single.
Use JSON or the setDragAndDropMode method to set the property value and the getDragAndDropMode to get the property value.
The property use is given on the Example of Creating the SimpleTreeList Component with Drag-and-Drop Mode page.
See also: