Function Python_do_callback

Pythonwin/win32uimodule.cpp:715–736

// callbacks!
static PyObject *pCallbackCaller = NULL;
PyObject *Python_do_callback(PyObject *themeth, PyObject *thearglst)
{
	PyObject *result;
	if (pCallbackCaller) {
		PyObject *newarglst = Py_BuildValue("(OO)",themeth,thearglst);
		result = gui_call_object( pCallbackCaller, newarglst );
		DODECREF(newarglst);
	} else {
		// Only ref to 'themeth' may be map - and if the message hook
		// updates the map (ie, removes the function), things get
		// a little pear-shaped - as witnessed in bug 1489690.
		Py_XINCREF(themeth);
		result = gui_call_object( themeth, thearglst );
		Py_XDECREF(themeth);
	}
	DODECREF(thearglst);
	if (result==NULL) {
		TRACE("Python_do_callback: callback failed with exception\n");
		gui_print_error();
	}
	return result;
}

// Copied from PyRecord.cpp, should move into pywintypes.h
#if (PY_VERSION_HEX < 0x03000000)