var
  QPF: Int64 = 0;

function GetTickCountEx: TUpTime;
begin
  if QPF = 0 then
    QueryPerformanceFrequency(QPF);
  QueryPerformanceCounter(Ticks);
  if (QPF = 0) or (Ticks = 0) then
  begin
    Result.Milliseconds := Word(-1);
    Exit;
  end;
  Ticks := Ticks * 1000 div QPF;

  with Result do
  begin
    MilliSeconds := Ticks mod 1000;
    Seconds := (Ticks div 1000) mod 60;
    Minutes := (Ticks div 60000) mod 60;
    Hours := (Ticks div 3600000) mod 24;
    Days := ((Ticks div 3600000) div 24) mod 30;
    Months := ((Ticks div 3600000) div 24) div 30;
    Years := ((Ticks div 3600000) div 24) div 365;
  end;
end;