How to make a TMemo have a RoundRect shape

Problem/Question/Abstract:

Is it possible to change the shape of a TMemo to something like stRoundRec in a TShape?

Answer:

procedure TForm1.Button1Click(Sender: TObject);
var
  rgn: HRGN;
  r: TRect;
begin
  r := memo1.ClientRect;
  rgn := CreateRoundRectRgn(r.Left, r.top, r.right, r.bottom, 20, 20);
  memo1.BorderStyle := bsNone;
  memo1.Perform(EM_GETRECT, 0, lparam(@r));
  InflateRect(r, -5, -5);
  memo1.Perform(EM_SETRECTNP, 0, lparam(@r));
  SetWindowRgn(memo1.Handle, rgn, true);
end;