class="PParameter  prettyprint " nowrap>pressed,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>insert,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>toggle</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates an item for inserting a clone of the specified prototype cell into the editor&rsquo;s graph. </div></div><div class=CToolTip id="tt22"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpad