fpc/docs/datutex/ex61.pp

32 lines
606 B
ObjectPascal

Program Example61;
{ This program demonstrates the SecondsBetween function }
Uses SysUtils,DateUtils;
Procedure Test(ANow,AThen : TDateTime);
begin
Write('Number of seconds between ');
Write(TimeToStr(AThen),' and ',TimeToStr(ANow));
Writeln(' : ',SecondsBetween(ANow,AThen));
end;
Var
D1,D2 : TDateTime;
Begin
D1:=Now;
D2:=D1-(999*OneMilliSecond);
Test(D1,D2);
D2:=D1-(1001*OneMilliSecond);
Test(D1,D2);
D2:=D1-(2001*OneMilliSecond);
Test(D1,D2);
D2:=D1-(5001*OneMilliSecond);
Test(D1,D2);
D2:=D1-(5.4*OneSecond);
Test(D1,D2);
D2:=D1-(2.5*OneSecond);
Test(D1,D2);
End.