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

RecodeHour

Replace hours part of a TDateTime value with another hour.

Declaration

Source position: dateutil.inc line 361

function RecodeHour(

  const AValue: TDateTime;

  const AHour: Word

):TDateTime;

Arguments

AValue

  

Date/time to recode

AHour

  

Hour to replace in AValue

Function result

AValue with replaced hour.

Description

RecodeHour replaces the Hour part of the timestamp AValue with AHour. All other parts of the date/time stamp are left untouched.

Errors

If the AHour value is not within a valid range (0..23) then an EConvertError exception is raised.

See also

RecodeYear

  

Replace year part of a TDateTime value with another year.

RecodeMonth

  

Replace month part of a TDateTime value with another month.

RecodeDay

  

Replace day part of a TDateTime value with another day.

RecodeMinute

  

Replace minutes part of a TDateTime value with another minute.

RecodeSecond

  

Replace seconds part of a TDateTime value with another second.

RecodeMilliSecond

  

Replace milliseconds part of a TDateTime value with another millisecond.

RecodeDate

  

Replace date part of a TDateTime value with another date.

RecodeTime

  

Replace time part of a TDateTime value with another time.

RecodeDateTime

  

Replace selected parts of a TDateTime value with other values

Example

Program Example90;

{ This program demonstrates the RecodeHour function }

Uses SysUtils,DateUtils;

Const
  Fmt = 'dddd dd mmmm yyyy hh:nn:ss';

Var
  S : AnsiString;

Begin
  S:=FormatDateTime(Fmt,RecodeHour(Now,0));
  Writeln('Today, in the first hour : ',S);
End.

Documentation generated on: May 14 2021