re while the visible tree is doing something else. This can be useful if complex tree operations are going on and you don't want input to go to the wrong object.</P>
<P>
<CODE>
VisContentClass</CODE>
 provides three instance fields that define the input holdup mechanism. These three fields are</P>
<DL>
<DT>
<CODE>
VCNI_holdUpInputQueue</DT><DD>
</CODE>
<A NAME="VisContent_5.htm_IX_VCNI_holdUpInputQueue">
 </A>
This field contains the queue handle of the queue where held-up input will be temporarily stored. 