diff -urN v3/wx_smp4.py v4/wx_smp4.py
--- v3/wx_smp4.py	1970-01-01 09:00:00.000000000 +0900
+++ v4/wx_smp4.py	2020-05-31 20:52:44.000000000 +0900
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+
+import wx
+
+import empty
+import wx_ut
+import base
+import dbg
+
+def get_name(inf):
+	return inf.wxo.o_names.get( inf.o, '?' )
+
+def btn_hdl(inf):
+	tc = inf.wxo.L.tc
+	tc.SetValue( inf.label )
+
+def tbtn_hdl(inf):
+	tc = inf.wxo.L.tc
+	tc.SetValue( '{}={} label={}'.format( get_name( inf ), inf.v, inf.label ) )
+
+def menu_hdl(inf):
+	tc = inf.wxo.L.tc
+	tc.SetValue( '{} {} {} Hz'.format( inf.menu.i, inf.menu.lbl, inf.menu.v ) )
+
+def init(wxo):
+	tc = wxo.wx_new( wx.TextCtrl, '', min_h=80 )
+
+	(btn_ok, btn_cancel, btn_go) = wxo.button_new( [ 'OK', 'Cancel', 'Go' ], btn_hdl )
+
+	def ckb_hdl(inf):
+		btn_go.Enable( inf.v )
+	
+	ckb = wxo.checkbox_new( 'enable', ckb_hdl, init_stat=True )
+
+	tbtn_1 = wxo.toggle_new( 'ON', tbtn_hdl )
+
+	tbtn_2 = wxo.toggle_new( [ 'ON', 'OFF' ], tbtn_hdl )
+
+	menu = wxo.menu_new( [ 'MBS', 'ABC', 'OBC' ], menu_hdl, 'ABC', [ 1179, 1008, 1314 ] )
+
+	wp = wxo.wp
+	wp_exp = wxo.wp_exp
+	lsts = [
+		wp_exp( [ wp_exp( tc, prop=1 ) ], prop=1 ),
+		wp_exp( [ tbtn_1, wp( tbtn_2, prop=1 ), 'radio', menu ] ),
+		wp_exp( [ btn_ok, btn_cancel, ckb, wp( btn_go, prop=1 ) ] ),
+	]
+	wxo.wrap_frame( lsts )
+	wxo.L = empty.new( locals() )
+	wxo.o_names = base.rev_dic( locals() )
+
+def run():
+	wxo = wx_ut.new( 'wx sample 4', init )
+	wxo.main_loop()
+
+if __name__ == "__main__":
+	run()
+# EOF
diff -urN v3/wx_ut.py v4/wx_ut.py
--- v3/wx_ut.py	2020-05-30 19:58:22.000000000 +0900
+++ v4/wx_ut.py	2020-05-31 20:04:25.000000000 +0900
@@ -107,6 +107,13 @@
 def new(title, init, fini=None):
 	e = empty.new( app=None, frame=None )
 
+	newed_objs = {}
+
+	def newed_obj_set(k, o):
+		newed_objs[ k ] = o
+		return o
+
+
 	def wp(o, **kwds):
 		dv = empty.new( border=4, prop=0, flag=0 )
 		for (k, v) in vars( dv ).items():
@@ -115,19 +122,32 @@
 		kwds[ 'o' ] = o
 		return empty.new( kwds )
 
+	def wp_exp(o, **kwds):
+		kwds[ 'flag' ] = kwds.get( 'flag', 0 ) | wx.EXPAND
+		return wp( o, **kwds )
+
+	def to_wp(o):
+		if empty.is_empty( o ):
+			return o
+		if type( o ) == str:
+			o = newed_obj_set( o, label_new( o ) )
+		return wp( o )
+
 	def wrap(win, lsts):
 		vsz = wx.BoxSizer( wx.VERTICAL )
-		for wp_v in lsts:
+		for o_v in lsts:
 			hsz = wx.BoxSizer( wx.HORIZONTAL )
+			wp_v = to_wp( o_v )
 			lst = wp_v.o
-			for wp_h in lst:
+			for o_h in lst:
+				wp_h = to_wp( o_h )
 				wp_h.flag |= wx.LEFT | wx.ALIGN_CENTER_VERTICAL
-				if wp_h == lst[ -1 ]:
+				if o_h == lst[ -1 ]:
 					wp_h.flag |= wx.RIGHT
 				hsz.Add( wp_h.o, wp_h.prop, wp_h.flag, wp_h.border )
 
 			wp_v.flag |= wx.TOP
-			if wp_v == lsts[ -1 ]:
+			if o_v == lsts[ -1 ]:
 				wp_v.flag |= wx.BOTTOM
 			vsz.Add( hsz, wp_v.prop, wp_v.flag, wp_v.border )