o">   17</span>&#160;    <span class="keywordtype">bool</span> open (<span class="keywordtype">void</span>* ptr);</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    <span class="keywordtype">void</span> close ();</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    <span class="keywordtype">void</span> setParameter (VstInt32 index, <span class="keywordtype">float</span> value);</div><div class="line"><a name="l00020"></a><span class="line