 class="PParameter  prettyprint " nowrap>vertex,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>evt,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>source</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Handles a drop by connecting the given vertex to the given source cell.</div></div><div class=CToolTip id="tt25"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td>