nt to set the GenItemGroup indeterminate. </P>
<P>
To check whether a GenItemGroup has been modified, send it <CODE>
MSG_GEN_ITEM_GROUP_IS_MODIFIED</CODE>
. This will return <CODE>
true</CODE>
 if the list has been modified, <CODE>
false</CODE>
 if it has not. To set a GenItemGroup modified, send it a <CODE>
MSG_GEN_ITEM_GROUP_SET_MODIFIED_STATE</CODE>
.</P>

<H4 CLASS="RefETitle">
<A NAME="IX_MSG_GEN_ITEM_GROUP_SET_INDETERMINATE_STATE">
 </A>
MSG_GEN_ITEM_GROUP_SET_INDETERMINATE_STATE</H4>
<PRE CLASS="synt