CT</CODE>
) and when the mouse button is released (<CODE>
MSG_META_END_SELECT</CODE>
). Other messages dealing with mouse motion or other mouse buttons may also be of interest to the object. In addition, visible objects may request and handle Ink input. Handling of these messages is discussed in <A HREF="VisClass_f.htm#65723"> Handling Input</A>
.</P>
<P>
<A NAME="IX_VisClass:tree management">
 </A>
Most applications using visible object trees will add objects to and remove them from the trees. <CODE>
MSG_V