_MEMORYSTATUSEX

type _MEMORYSTATUSEX = record

  dwLength: DWORD;

  dwMemoryLoad: DWORD;

  ullTotalPhys: DWORDLONG;

  ullAvailPhys: DWORDLONG;

  ullTotalPageFile: DWORDLONG;

  ullAvailPageFile: DWORDLONG;

  ullTotalVirtual: DWORDLONG;

  ullAvailVirtual: DWORDLONG;

  ullAvailExtendedVirtual: DWORDLONG;

end;