p>return</span>;<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;disable&nbsp;button</span><br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>([h.editer,h.edeps,h.btstep,h.btclose,h.btplay,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;h.btreset,h.btinfo,h.btload,h.btcreat,h.txeps,h.txiter],...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'Enable'</span>,<span class=quotes>'off'</span>);<br>
&nbsp;&nbsp;&nbsp;<span class=comme