l compact><dt><b>Parameters: </b></dt><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>API</em>&nbsp;</td><td>
the API handle </td></tr>
<tr><td valign=top><em>file</em>&nbsp;</td><td>
file name </td></tr>
<tr><td valign=top><em>line</em>&nbsp;</td><td>
line number</td></tr>
</table>
</dl>This should only be called via the macro <a class="el" href="api_8h.html#a2">WMF_ASSERT(API,&lt;expr&gt;)</a> which is defined (for debug builds only) as: <div class="fragment"><pre>
#define WMF_ASS