thnks buddy catia
we are going on the right track but i am using catiaV5R10 and the icon in view mode toolbar is not available here. I have following modes only
1)Wireframe(NHR)
2)Hidden Line Removal
3)Shading(SHD)
4)Shading with edges
5)Shading with edges and hidden edges
6)Applies customised view parameters- how can i customise this?