DECLARE_SERIAL_CLASS(wxBitmap, wxObject)
DECLARE_SERIAL_CLASS(wxGDIObject, wxObject)
DECLARE_SERIAL_CLASS(wxRegion, wxGDIObject)
-DECLARE_SERIAL_CLASS(wxColour, wxGDIObject)
+DECLARE_SERIAL_CLASS(wxColour, wxObject)
DECLARE_SERIAL_CLASS(wxFont, wxGDIObject)
DECLARE_SERIAL_CLASS(wxPen, wxGDIObject)
DECLARE_SERIAL_CLASS(wxBrush, wxGDIObject)