DialogPtr = OpaqueByValueType("DialogPtr", "DlgObj")
DialogRef = DialogPtr
ExistingWindowPtr = OpaqueByValueType("WindowPtr", "WinObj_WhichWindow", "BUG")
-# XXX This is incorrect: it returns a Window, not a Dialog!
-ExistingDialogPtr = OpaqueByValueType("DialogPtr", "WinObj_WhichWindow", "BUG")
+ExistingDialogPtr = OpaqueByValueType("DialogPtr", "DlgObj_WhichDialog", "BUG")
# NULL pointer passed in as optional storage -- not present in Python version
NullStorage = FakeType("(void *)0")