cmdManager.addCommand(<span class="stringliteral">&quot;decrement number of slices&quot;</span>,<span class="charliteral">&#39;R&#39;</span>,<span class="stringliteral">&quot;R&quot;</span>,nslices,PropertyCommand::Sub); </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        nslices.Step(1);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        nslices.Min(1);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</