BR>

<P>

<A NAME="35976"></A>
<B>:xcenter</B> <EM>&amp;optional xcenter </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
X coordinates of the center of this viewport.
</DD>
</DL>
<BR>
<BR>

<A NAME="35986"></A>
<B>:ycenter</B> <EM>&amp;optional ycenter </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
Y coordinates of the center of this viewport.
</DD>
</DL>
<BR>
<BR>

<A NAME="35996"></A>
<B>:size</B> <EM>&amp;optional size </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
List of sizes in x direction and y direction.
</DD>
</DL>
<BR