Fired before a node drop Use ui.owner to get a reference to the tree. Use ui.binding to gets a reference to the binding. Use ui.data to get a reference to the data. Use ui.draggable to get a reference to the draggable element (the node). Use ui.element to get a reference to the element. Use ui.helper to get a reference to the helper. Use ui.offset to get a reference to the offset. Use ui.path to get a reference to the node path. Use ui.position to get a reference to the current position of the draggable element. Use ui.sourceNode to get a reference to the source node object about to be dropped.
Target Platforms: Windows 8.1, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
