ssive grab objects, if any.</P>
<P>
<DL>
To do this, it uses five instance fields that applications can not directly access. These fields are altered by the messages that allow an object to gain and release the subject grab. (These messages are all detailed in <A HREF="../../UI/VisClass/VisClass_f.htm#65723">the VisClass chapter</A>.) The instance fields are listed below:</P><DT>
<CODE>
VCNI_prePassiveMouseGrabList</DT><DD>
</CODE>
<A NAME="VisContent_5.htm_IX_VCNI_prePassiveMouseGrabList">
 </A>
This field