little thing vb api softwrap

ok i got an app in vb im using softwrap to wrap it... now within vb im supposed to know if app is regged... Isregistered function from an api call to [login to view URL] HOW do i get that ? thats the .h file they gave #ifndef Register_h #define Register_h #ifdef REGISTER_EXPORTS #define REGISTER_API extern "C" __declspec(dllexport) __stdcall #else #define REGISTER_API extern "C" __declspec(dllimport) __stdcall #endif // Constants #define NOT_REGISTERED 0 #define REGISTERED 1 #define HACK_DETECTED 2 #define FILE_MISSING 3 #define FILE_ERROR 4 #define EXPIRED 5 // Exported functions REGISTER_API int IsRegistered(char *pSWFile); #endif And heres the pdf doc int check_purchase_status(char *DllFilename, char *Swfile) { if (!check_CRC(DllFilename)) return -1; typedef int (_stdcall *FUNC)(char*); FUNC IsRegistered; HINSTANCE h = LoadLibrary( LPCTSTR(DllFilename) ); if( h == NULL ) return (GetLastError()); IsRegistered = (FUNC)GetProcAddress(h,"IsRegistered"); if( IsRegistered == NULL ) return (GetLastError()); return (IsRegistered(Swfile)); } Please help me... i dont know how to declare and use the dll as an api thanks for all ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform all