>pls suggest me some API functions for the same ?
I don't know, really. I think such a function must exist, but I never used it.
www.news2news.com has many examples on using API functions in Visual FoxPro - you might search there.
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)