apply action you wish the GenItemGroup to send out whenever you make a selection choice within the group. This message should be based on the prototype GEN_ITEM_GROUP_APPLY_MSG so that the proper arguments (<CODE>
selection</CODE>
, <CODE>
numSelections</CODE>
, and <CODE>
stateFlags</CODE>
) are automatically passed. GIGI_<CODE>
destination</CODE>
 should store the object or process you wish to handle the message sent out by this group. This object should have a handler for the GIGI_<CODE>
applyMsg</CODE>
