>How can I determine position of field? For example I want field on position 10mm bottom and right from top corner of report, height and width = 10mm; what is a value to input in fields VPOS, HPOS, HEIGHT, WIDTH?

Check out http://www.tech-archive.net/Archive/Fox/microsoft.public.fox.vfp.reports.printing/2004-07/0031.html
If you need more tips on this subject, google for Cathy Pountney, what she doesn't know about reporting isn't worth knowing.