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
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Note:(i remember a dependencies programm...to do (1)-i am note sure).