>Thank you
>
>Is there any native tool to create this new kind of help file ?
It is called HTML Help Workshop. It comes included in VFP 6 (so probably it appears in later versions too - I am still using VFP 6 for my daily work). You can also download it from Microsoft.
See my introductory article about the HTML Help Workshop:
http://www.utmag.com/wconnect/wc.dll?9,7,10,1521
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)