TryEncodeDateWeek

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;