The iid of the interface that defined the error, or
if none. The iid can be a symbol naming the interface or a refguid foreign pointer.
A string giving the ProgID for the class that raised the error, or
A string giving the textual description of the error, or
A string giving the path of the help file that describes the error, or
An integer giving the help context id for the error, or
allows the various components of the error information to be set for the current Automation method. It should only be called within the dynamic scope of the body of a
definition. The value
can be returned as the
of the method to indicate failure.
LispWorks COM/Automation User Guide and Reference Manual - 19 Dec 2011