procedure VerticalAlignMemo(MyMemo: TMemo);
var
  R: Trect;
  LineHeight, LineTop: integer;
  TmpLabel: TLabel;
  TmpString: string;
  TmpCnt: integer;
  TmpControl: TWinControl;
begin
  TmpLabel := TLabel.Create(Texte);
  TmpLabel.Parent := Texte;
  TmpLabel.Visible := False;
  TmpLabel.Font.Assign(MyMemo.Font);
  LineHeight := TmpLabel.Canvas.TextHeight('T');
  TmpLabel.Free;

  TmpString := MyMemo.Text;
  LineTop := Trunc(((MyMemo.Height - 4) / 2) - (LineHeight / 2));
  TmpCnt := 1;
  while pos(#13, TmpString) > 0 do
  begin
    TmpString := Copy(TmpString, pos(#13, TmpString) + 1, Length(TmpString));
    TmpCnt := TmpCnt + 1;
    if (TmpCnt * (LineHeight / 2)) <= (MyMemo.Height / 2) then
      LineTop := Trunc(((MyMemo.Height - 4) / 2) - (TmpCnt * (LineHeight / 2)));
  end;

  R := Rect(1, LineTop, MyMemo.Width - 2, MyMemo.Height);

  SendMessage(MyMemo.Handle, EM_SETRECTNP, 0, LongInt(@R));
  SendMessage(MyMemo.Handle, EM_SCROLLCARET, 0, 0);

  TmpControl := MyMemo.Parent;
  while TmpControl.HasParent = True do
    TmpControl := TmpControl.Parent;
  if TmpControl.Visible = True then
    MyMemo.Repaint;
end;