This parameter, when inserted into a model or an opaque composite actor,
causes all input ports to acquire an attribute that makes them display
their contents on the screen. This works by piggybacking on the
initialize() method of the container to insert the relevant parameters
into the ports. It also piggybacks on postfire() and wrapup() to issue
a ChangeRequest, which causes a repaint of the screen in Vergil.
To stop monitoring the queue contents, simply delete
this attribute from the model.
To use this one option is to instantiate an attribute of type
ptolemy.vergil.actor.lib.MonitorReceiverContents
Edward A. Lee, Contributor: Bert Rodiers
$Id: MonitorReceiverContents.java 70402 2014-10-23 00:52:20Z cxh $
Ptolemy II 8.0
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