th</I> Filter or Device in this chain, if this chain has size at least <CODE>N + 1</CODE> and the type of the <CODE>N</CODE><I>th</I> Filter or Device is equal to <CODE>T</CODE>. Otherwise, returns a null pointer. The template arguments <CODE>N</CODE> and <CODE>T</CODE> cannot be deduced, and must therefore be explicitly specified.
</P>
<P>
      <I>This member is deprecated; use the overload of <CODE>component</CODE> that takes an <CODE>int</CODE> argument instead.</I>
</P>

<A NAME="policy_push"></A>
<H4>