Reference for package '#rtl'

IncWeek

Increase a TDateTime value with a number of weeks.

Declaration

Source position: dateutil.inc line 287

  function IncWeek(const AValue: TDateTime; const ANumberOfWeeks: Integer)
                   : TDateTime;
  function IncWeek(const AValue: TDateTime) : TDateTime;

Description

IncWeek adds ANumberOfWeeks weeks to AValue and returns the resulting date/time.ANumberOfWeeks can be positive or negative.

See also

Name Description
IncDay Increase a TDateTime value with a number of days.
IncHour Increase a TDateTime value with a number of hours.
IncMilliSecond Increase a TDateTime value with a number of milliseconds.
IncMinute Increase a TDateTime value with a number of minutes.
IncSecond Increase a TDateTime value with a number of seconds.
IncYear Increase a TDateTime value with a number of years.
#rtl.sysutils.IncMonth Increases the month in a TDateTime value with a given amount.

Example

Program Example73;
{ This program demonstrates the IncWeek function }
Uses SysUtils,DateUtils;
Begin
  Writeln('One Week from today is ',DateToStr(IncWeek(Today,1)));
  Writeln('One Week ago from today is ',DateToStr(IncWeek(Today,-1)));
End.