10)
</pre>
<div class="section" id="missing-arguments">
<h2><a name="missing-arguments">Missing Arguments</a></h2>
<p>Optional arguments which are not supplied and have no defaults are initialized with the <tt class="literal"><span class="pre">VBMissingArgument</span></tt> object. This object can be detected by the <tt class="literal"><span class="pre">vbfunctions.IsMissing</span></tt> function to provide initialization of missing arguments within the body of the function. This functionality is transpar