>Thanks Thomas
>1-Suppose i am starting for zero,how do i know the functions encapsuled in that DLL and their parameters to declare each function as well.
>2-the order of param is certainly important also and their type (integer,string,...).
>3-infortunatly i never played with flls and always considered it at an artifact to impose C++ to vfp or to hide some things to vfp user or to browse the vfp limits.
>4-i need a real simple visual vfp example to see well
>.
>Note:(i remember a dependencies programm...to do (1)-i am note sure).

I'm not sure this is the one, (I think it was Process Explorer) but I just googled by Mark Russinovich and found

https://technet.microsoft.com/en-us/sysinternals/bb545021.aspx?f=255&MSPPError=-2147217396

(Never before I saw this picture or hear him speak).