【转帖】determining if a set of sketch relations is unsolvable
 

determining if a set of sketch relations is unsolvable
how can i check within a macro if the constraints on a point in a (3d) sketch have become unsolvable? i am creating the point and constraining it within the macro.
i am using solidworks 2009 sp2.1 on windows vista sp0. the macro is written in vb.net under vsta 2005.
quick