...ein mikrosekundengenaues Delay implementieren?

// Wait 0.2ms

procedure PerformanceDelay;
var
  hrRes, hrT1, hrT2, dif: Int64;
begin
  if QueryPerformanceFrequency(hrRes) then
  begin
    QueryPerformanceCounter(hrT1);
    repeat
      QueryPerformanceCounter(hrT2);
      dif := (hrT2 - hrT1) * 10000000 div hrRes;
    until dif > 2;
  end;
end;

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