PdhEnumObjectItemsH

function PdhEnumObjectItemsH(

  hDataSource: PDH_HLOG;

  szMachineName: LPCTSTR;

  szObjectName: LPCTSTR;

  mszCounterList: LPTSTR;

  pcchCounterListLength: LPDWORD;

  mszInstanceList: LPTSTR;

  pcchInstanceListLength: LPDWORD;

  dwDetailLevel: DWORD;

  dwFlags: DWORD

):PDH_STATUS;