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Program Example67;
{ This program demonstrates the HourSpan function }
Uses SysUtils,DateUtils;
Procedure Test(ANow,AThen : TDateTime);
begin
Write('Number of hours between ');
Write(DateTimeToStr(AThen),' and ',DateTimeToStr(ANow));
Writeln(' : ',HourSpan(ANow,AThen));
end;
Var
D1,D2 : TDateTime;
Begin
D1:=Now;
D2:=D1-(59*OneMinute);
Test(D1,D2);
D2:=D1-(61*OneMinute);
Test(D1,D2);
D2:=D1-(122*OneMinute);
Test(D1,D2);
D2:=D1-(306*OneMinute);
Test(D1,D2);
D2:=D1-(5.4*OneHour);
Test(D1,D2);
D2:=D1-(2.5*OneHour);
Test(D1,D2);
End.
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