PdhOpenLog

function PdhOpenLog(

  szLogFileName: LPCTSTR;

  dwAccessFlags: DWORD;

  lpdwLogType: LPDWORD;

  hQuery: PDH_HQUERY;

  dwMaxRecords: DWORD;

  szUserCaption: LPCTSTR;

  var phLog: PDH_HLOG

):PDH_STATUS;