Class:                  modelclass
Superclass:             icclass
Include File:           <intuition/icclass.h>

A class of OM_UPDATE forwarding objects that have multiple targets.  In
addition to the features the modelclass object inherits from icclass, when
a modelclass object gets an om_update message, it forwards that om_update
message to all of the objects in its broadcast list.

New Methods:
------------
None.

Changed Methods:
----------------
 om_addmember    om_remmember    om_dispose    om_notify/om_update 

Attributes:
-----------
None.