_MEMORYSTATUS

type _MEMORYSTATUS = record

  dwLength: DWORD;

  dwMemoryLoad: DWORD;

  dwTotalPhys: SIZE_T;

  dwAvailPhys: SIZE_T;

  dwTotalPageFile: SIZE_T;

  dwAvailPageFile: SIZE_T;

  dwTotalVirtual: SIZE_T;

  dwAvailVirtual: SIZE_T;

end;