procedure TForm1.Button1Click(Sender: TObject);
const
  ArrayTest: array[1..2, 1..2] of integer =
    ((1, 2), (3, 4));
var
  i, j: integer;
begin
  Memo1.Clear;
  for i := 1 to 2 do
    for j := 1 to 2 do
    begin
      ArrayTest[i, j] := ArrayTest[i, j] + 1;
      Memo1.Lines.Add(IntToStr(ArrayTest[i, j]));
    end;
end;

    Source: geocities.com/huanlin_tsai/faq

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