Unit 'DateUtils'	Package
[Overview][Constants][Classes][Procedures and functions][Index]	[#rtl]

RecodeHour

Replace hours part of a TDateTime value with another hour.

Declaration

Source position: dateutil.inc line 370

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.

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.