Nasty error: handle parameters are passed by _address_ to SetControlData.
diff --git a/Mac/Modules/ctl/Ctlmodule.c b/Mac/Modules/ctl/Ctlmodule.c
index 461d945..9b39f1a 100644
--- a/Mac/Modules/ctl/Ctlmodule.c
+++ b/Mac/Modules/ctl/Ctlmodule.c
@@ -1203,7 +1203,7 @@
inPart,
inTagName,
sizeof(buffer),
- (Ptr)buffer);
+ (Ptr)&buffer);
if (_err != noErr)
return PyMac_Error(_err);
diff --git a/Mac/Modules/ctl/ctlsupport.py b/Mac/Modules/ctl/ctlsupport.py
index 9829dcd..5104d05 100644
--- a/Mac/Modules/ctl/ctlsupport.py
+++ b/Mac/Modules/ctl/ctlsupport.py
@@ -350,7 +350,7 @@
inPart,
inTagName,
sizeof(buffer),
- (Ptr)buffer);
+ (Ptr)&buffer);
if (_err != noErr)
return PyMac_Error(_err);