[Overview][Constants][Procedures and functions][Index] Reference for unit 'dateutils' (#rtl)

IsInLeapYear

Determine whether a date is in a leap year.

Declaration

Source position: dateutil.inc line 83

function IsInLeapYear(

  const AValue: TDateTime

):Boolean;

Arguments

AValue

  

Date to be checked.

Function result

True if AValue is in a leap year, False if not.

Description

IsInLeapYear returns True if the year part of AValue is leap year, or False if not.

See also

YearOf

  

Extract the year from a given date.

IsPM

  

Determine whether a time is PM or AM.

IsToday

  

Check whether a given date is today.

IsSameDay

  

Check if two date/time indications are the same day.

Example

Program Example3;

{ This program demonstrates the IsInLeapYear function }

Uses SysUtils,DateUtils;

Begin
  Writeln('Current year is leap year: ',IsInLeapYear(Date));
End.

Documentation generated on: Nov 14 2015