code: def test_HWND(self):
      from ctypes import wintypes
  
      self.assertEqual(sizeof(wintypes.HWND), sizeof(c_void_p))
  
imports: from ctypes import *
  from ctypes.test import requires
  import unittest, sys
  from test import test_support
  import _ctypes_test
label_desc: Use image node_id 1 for calling the TestWintypes obj's underlying member method code with example usage: obj.test_HWND() without return types