API call for transforming polygon to line?

[Jason Birch]

Is there a method that would allow me to type case a polygon to a line?  I can do the same going to a point with the GetCentroid command (I think) but can't figure out poly->line.
 
Thanks,
Jason
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/ms-tnef
Size: 2991 bytes
Desc: not available
Url : http://lists.osgeo.org/pipermail/mapguide-users/attachments/20060315/fdf83985/attachment.bin