>,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'EraseMode'</span>,<span class=quotes>'xor'</span>,<span class=quotes>'Color'</span>,<span class=quotes>'k'</span>,<span class=quotes>'MarkerSize'</span>,CENTERSIZE,<span class=quotes>'Visible'</span>,<span class=quotes>'off'</span>);<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>else</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.ellipse.handler,<span class=quotes>'Visible'</span>,<span class=quote