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... implement a microsecond resolution Delay?
Autor: Lemy
Homepage: http://www.swissdelphicenter.com
[ Print tip ]  

Tip Rating (13):  
     


// 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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