n class="stringliteral">&quot;increment stepwidth of raytracer&quot;</span>,<span class="charliteral">&#39;x&#39;</span>,<span class="stringliteral">&quot;x&quot;</span>,_RayTraceStepwidth,PropertyCommand::Mul);</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        _cmdManager.addCommand(<span class="stringliteral">&quot;decrement stepwidth of raytracer&quot;</span>,<span class="charliteral">&#39;X&#39;</span>,<span class="stringliteral">&quot;X&quot;</span>,_RayTraceSt