diff -ur v4/wx_ut.py v5/wx_ut.py
--- v4/wx_ut.py	2020-05-31 20:04:25.000000000 +0900
+++ v5/wx_ut.py	2020-06-02 21:48:26.000000000 +0900
@@ -227,10 +227,10 @@
 
 	def set_drag_hdl(o, hdl):
 		if type( o ) == list:
-			f = lambda o: set_drag_cb( o, cb )
+			f = lambda o: set_drag_hdl( o, hdl )
 			return list( map( f, o ) )
 
-		obj_dic[ o ] = empty.new( drag=draw_new( o ), hdl=hdl )
+		obj_dic[ o ] = empty.new( drag=drag_new( o ), hdl=hdl )
 		bind( o, drag_hdl, mouse_evts )