A COM interface pointer that provides the source interface iid .
The iid of the source interface to be disconnected. The iid can be a symbol naming the interface or a
The integer cookie associated with the connection to be disconnected.
A boolean. When false, errors disconnecting the
to be returned. Otherwise an error of type
will be signalled.
Suppose there is an interface pointer
which provides a source interface
, then the following form can be used to disconnect an implementation of this source interface with cookie