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Program Example54;
{ This program demonstrates the WithinPastMilliSeconds function }
Uses SysUtils,DateUtils;
Procedure Test(ANow,AThen : TDateTime; AMilliSeconds : Integer);
begin
Write(TimeToStr(AThen),' and ',TimeToStr(ANow));
Write(' are within ',AMilliSeconds,' milliseconds: ');
Writeln(WithinPastMilliSeconds(ANow,AThen,AMilliSeconds));
end;
Var
D1,D2 : TDateTime;
Begin
D1:=Now;
D2:=D1-(0.9*OneMilliSecond);
Test(D1,D2,1);
D2:=D1-(1.0*OneMilliSecond);
Test(D1,D2,1);
D2:=D1-(1.1*OneMilliSecond);
Test(D1,D2,1);
D2:=D1-(2.5*OneMilliSecond);
Test(D1,D2,1);
Test(D1,D2,2);
Test(D1,D2,3);
End.
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