Really, i got answer for my question:
Quote:

The only built in occlusion function is the BSP tree. DirectX Queries, as in the sample code, require the object to be drawn and thus can't be used for occlusion tests.

And thats bad frown

1st prize: Lite-C and Newton 2.17 by Vasilenko Vitaliy

Newton2 videos: http://tinyurl.com/NewtonVideos
LiteC+Newton2 discussion: http://tinyurl.com/NewtonWrapperDiscussion
Latest LiteC+Newton2 version(v23, from 29.10.2009): http://depositfiles.com/files/ae1l0tpro