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Program Example51;
{ This program demonstrates the WithinPastHours function }
Uses SysUtils,DateUtils;
Procedure Test(ANow,AThen : TDateTime; AHours : Integer);
begin
Write(DateTimeToStr(AThen),' and ',DateTimeToStr(ANow));
Write(' are within ',AHours,' hours: ');
Writeln(WithinPastHours(ANow,AThen,AHours));
end;
Var
D1,D2 : TDateTime;
Begin
D1:=Now;
D2:=D1-(59*OneMinute);
Test(D1,D2,1);
D2:=D1-(61*OneMinute);
Test(D1,D2,1);
D2:=D1-(122*OneMinute);
Test(D1,D2,1);
D2:=D1-(306*OneMinute);
Test(D1,D2,5);
D2:=D1-(5.4*OneHour);
Test(D1,D2,5);
D2:=D1-(2.5*OneHour);
Test(D1,D2,1);
Test(D1,D2,2);
Test(D1,D2,3);
End.
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