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How to get Windows uptime? (Views: 100)


Problem/Question/Abstract:

How to get Windows uptime?

Answer:

Use the following function:

function UpTime: string;
const
  ticksperday: integer = 1000 * 60 * 60 * 24;
  ticksperhour: integer = 1000 * 60 * 60;
  ticksperminute: integer = 1000 * 60;
  tickspersecond: integer = 1000;

var
  t: longword;
  d, h, m, s: integer;

begin
  t := GetTickCount;

  d := t div ticksperday;
  dec(t, d * ticksperday);

  h := t div ticksperhour;
  dec(t, h * ticksperhour);

  m := t div ticksperminute;
  dec(t, m * ticksperminute);

  s := t div tickspersecond;

  Result := 'Uptime: ' + IntToStr(d) + ' Days ' + IntToStr(h) + ' Hours ' + IntToStr(m)
    + ' Minutes ' + IntToStr(s) + ' Seconds';
end;

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