Add a mention of the difference in exceptions that can be raised.

junkmd · junkmd · commit 181f51279859 · 2024-11-16T09:18:34.000Z
diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst
@@ -1799,6 +1799,9 @@ different ways, depending on the type and number of the parameters in the call:
    integer. *name* is name of the COM method. *iid* is an optional pointer to
    the interface identifier which is used in extended error reporting.
 
+   If *iid* is not specified, a :exc:`WindowsError` is raised if the COM method
+   call fails. If *iid* is specified, a :exc:`COMError` is raised instead.
+
    COM methods use a special calling convention: They require a pointer to
    the COM interface as first argument, in addition to those parameters that
    are specified in the :attr:`!argtypes` tuple.
