bool wxColour_helper(PyObject* source, wxColour** obj);
bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj);
bool wxRect2D_helper(PyObject* source, wxRect2D** obj);
bool wxColour_helper(PyObject* source, wxColour** obj);
bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj);
bool wxRect2D_helper(PyObject* source, wxRect2D** obj);