LONG RegEnumValue(
  HKEY hKey,             // handle to key to query
  DWORD dwIndex,         // index of value to query
  LPTSTR lpValueName,    // value buffer
  LPDWORD lpcValueName,  // size of value buffer
  LPDWORD lpReserved,    // reserved
  LPDWORD lpType,        // type buffer
  LPBYTE lpData,         // data buffer
  LPDWORD lpcbData       // size of data buffer
);
 

 
DECLARE INTEGER RegEnumValue IN advapi32;
    INTEGER   hKey,;
    INTEGER   dwIndex,;
    STRING  @ lpValueName,;
    INTEGER @ lpcValueName,;
    INTEGER   lpReserved,;
    INTEGER @ lpType,;
    STRING  @ lpData,;
    INTEGER @ lpcbData