TryEncodeDateWeek

Encode a year, week and day of week triplet to a TDateTime value

Declaration

Source position: dateutil.inc line 315

  function TryEncodeDateWeek(const AYear: Word; const AWeekOfYear: Word; 
                            out AValue: TDateTime; const ADayOfWeek: Word)
                             : Boolean;
  function TryEncodeDateWeek(const AYear: Word; const AWeekOfYear: Word; 
                            out AValue: TDateTime) : Boolean;

Description

TryEncodeDateWeek encodes the values AYear, AWeekOfYear and ADayOfWeek to a date value and returns this value in AValue.

If the encoding was successful, True is returned. False is returned if any of the arguments is not valid.

See also

Name	Description
EncodeDateDay	Encodes a year and day of year to a TDateTime value
EncodeDateMonthWeek	Encodes a year, month, week of month and day of week to a TDateTime value
EncodeDateTime	Encodes a TDateTime value from all its parts
EncodeDateWeek	Encode a TDateTime value from a year, week and day of week triplet
TryEncodeDateDay	Encode a year and day of year to a TDateTime value
TryEncodeDateMonthWeek	Encode a year, month, week of month and day of week to a TDateTime value
TryEncodeDateTime	Encode a Year, Month, Day, Hour, minute, seconds, milliseconds tuplet to a TDateTime value

Example

Program Example82;
{ This program demonstrates the TryEncodeDateWeek function }
Uses SysUtils,DateUtils;
Var
  Y,W,Dow : Word;
  TS : TDateTime;
Begin
  DecodeDateWeek(Now,Y,W,Dow);
  If TryEncodeDateWeek(Y,W,TS,Dow) then
    Writeln('Today is : ',DateToStr(TS))
  else
    Writeln('Invalid date/week indication');
End.