code: def test_HWND(self):
      from ctypes import wintypes
  
      self.assertEqual(sizeof(wintypes.HWND), sizeof(c_void_p))
  
imports: import _ctypes_test
  import ctypes
  import errno
  import sys
  import unittest
  from ctypes import CDLL, Structure, POINTER, pointer, sizeof, byref, _pointer_type_cache, c_void_p, c_char, c_int, c_long
  from test import support
  from ._support import Py_TPFLAGS_DISALLOW_INSTANTIATION, Py_TPFLAGS_IMMUTABLETYPE
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