fpc/docs/datutex/ex100.pp
2004-12-30 13:30:23 +00:00

39 lines
626 B
ObjectPascal

Program Example100;
{ This program demonstrates the CompareTime function }
Uses SysUtils,DateUtils;
Const
Fmt = 'dddd dd mmmm yyyy hh:nn:ss.zzz';
Procedure Test(D1,D2 : TDateTime);
Var
Cmp : Integer;
begin
Write(FormatDateTime(Fmt,D1),' has ');
Cmp:=CompareDateTime(D1,D2);
If Cmp<0 then
write('earlier time than ')
else if Cmp>0 then
Write('later time than ')
else
Write('equal time with ');
Writeln(FormatDateTime(Fmt,D2));
end;
Var
D,N : TDateTime;
Begin
D:=Today;
N:=Now;
Test(D,D);
Test(N,N);
Test(N+1,N);
Test(N-1,N);
Test(N+OneSecond,N);
Test(N-OneSecond,N);
End.