Data of type Point is passed by value, not by reference.
diff --git a/Mac/Modules/ctl/Ctlmodule.c b/Mac/Modules/ctl/Ctlmodule.c
index 12e5809..991b567 100644
--- a/Mac/Modules/ctl/Ctlmodule.c
+++ b/Mac/Modules/ctl/Ctlmodule.c
@@ -2059,7 +2059,7 @@
short c_rv = -1;
ctl_obj = (ControlObject *)CtlObj_WhichControl(control);
- arglist = Py_BuildValue("OO&", ctl_obj, PyMac_BuildPoint, &where);
+ arglist = Py_BuildValue("OO&", ctl_obj, PyMac_BuildPoint, where);
rv = callcallback(ctl_obj, kControlUserPaneHitTestProcTag, arglist);
Py_XDECREF(arglist);
/* Ignore errors, nothing we can do about them */
@@ -2078,7 +2078,7 @@
ctl_obj = (ControlObject *)CtlObj_WhichControl(control);
/* We cannot pass the actionProc without lots of work */
- arglist = Py_BuildValue("OO&", ctl_obj, PyMac_BuildPoint, &startPt);
+ arglist = Py_BuildValue("OO&", ctl_obj, PyMac_BuildPoint, startPt);
rv = callcallback(ctl_obj, kControlUserPaneTrackingProcTag, arglist);
Py_XDECREF(arglist);
if ( rv )