>Many many thanks.
>
>You have replied me within 8 min., which made me more surprised.
>I have used your solution and my EXE file is working fine.
>
>Again thanks

You're welcome.

>Again a personal question.
>I found from your web site that you have worked a lot on VFP.
>
>And I have developed many small application on VFP, but I have no certification on VFP.
>
>I want to know what examination I should take so that I can judge my quality as a programer.


I'm wrong person to ask about certifications. I don't have any and don't believe certification by itself is any indication of a person's skills.