l" title="class in com.mxgraph.util">mxRectangle</a>&nbsp;rect)</pre>
<div class="block">Returns the point at which this curve intersects the boundary of 
 the given rectangle, if it does so. If it does not intersect, 
 null is returned. If it intersects multiple times, the first 
 intersection from the start end of the curve is returned.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the curve index specifying the curve to analyse</dd>
<dd><code>rect</code> - the w