IMP_PYCALLBACK_VIZATTR_(wxPyControl, wxControl, GetDefaultAttributes);
IMP_PYCALLBACK_BOOL_(wxPyControl, wxControl, HasTransparentBackground);
IMP_PYCALLBACK_VIZATTR_(wxPyControl, wxControl, GetDefaultAttributes);
IMP_PYCALLBACK_BOOL_(wxPyControl, wxControl, HasTransparentBackground);