CDLEntry>evt</td><td class=CDLDescription>Mouse event that represents the drop.</td></tr><tr><td class=CDLEntry>source</td><td class=CDLDescription>Optional <a href="../model/mxCell-js.html#mxCell" class=LClass id=link72 onMouseOver="ShowTip(event, 'tt31', 'link72')" onMouseOut="HideTip('tt31')">mxCell</a> that represents the source terminal.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDefaultToolbar.installDropHandler"></a>installDropHandler</h3