Clears drag & drop data.

Clears everything stored in the drag & drop object and prepares it so you can write into it for initiating a drag operation.

See Also: StartDrag, paths, objectReferences.

	function OnGUI () {
		if (Event.current.type == EventType.MouseDrag) {
			// Clear out drag data
			DragAndDrop.PrepareStartDrag ();
			// Set up what we want to drag
			DragAndDrop.paths = [ "Usersjoe/myPath.txt" ];
			// Start the actual drag
			DragAndDrop.StartDrag ("Dragging title");
			// Make sure no one uses the event after us
			Event.current.Use();
		}
	}