Unit 'DateUtils' Package
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IsValidDateTime

Check whether a set of values is a valid date and time indication.

Declaration

Source position: dateutil.inc line 109

function IsValidDateTime(

  const AYear: Word;

  const AMonth: Word;

  const ADay: Word;

  const AHour: Word;

  const AMinute: Word;

  const ASecond: Word;

  const AMilliSecond: Word

):Boolean;

Arguments

AYear

  

Year value.

AMonth

  

Month in the year.

ADay

  

Day in the month.

AHour

  

Hour of the day.

AMinute

  

Minute in the hour.

ASecond

  

Second in the minute.

AMilliSecond

  

Milliseconds in the second.

Function result

True if the given values form a valid date/time pair, False if not.

Description

IsValidTime returns True when the values AYear, AMonth, ADay, AHour, AMinute, ASecond and AMilliSecond form a valid date and time indication. If one of the values is not valid (e.g. the seconds are larger than 60), False is returned.

AYear must be in the range 1..9999 to be valid.

See also

IsValidDate

  

Check whether a set of values is a valid date indication.

IsValidTime

  

Check whether a set of values is a valid time indication.

IsValidDateDay

  

Check whether a given year/day of year combination is a valid date.

IsValidDateWeek

  

Check whether a given year/week/day of the week combination is a valid day.

IsValidDateMonthWeek

  

Check whether a given year/month/week/day of the week combination is a valid day.

Example

Program Example7;

{ This program demonstrates the IsValidDateTime function }

Uses SysUtils,DateUtils;

Var
  Y,Mo,D : Word;
  H,M,S,MS : Word;
  I : Integer;

Begin
  or:=1 to 10 do
    begin
    Y:=2000+Random(5);
    Mo:=Random(15);
    D:=Random(40);
    H:=Random(32);
    M:=Random(90);
    S:=Random(90);
    MS:=Random(1500);
    If Not IsValidDateTime(Y,Mo,D,H,M,S,MS) then
      Writeln(Y,'-',Mo,'-',D,' ',H,':',M,':',S,'.',MS,' is not a valid date/time.');
    end;
End.

Documentation generated on: Dec 10 2024