StringGrid без выделенной ячейки

procedure TForm.sgrDrawCells(Sender: TObject; Col, Row: Longint; Rect: TRect;
  State: TGridDrawState);
var
  ACol: longint absolute Col;
  ARow: longint absolute Row;
  Buf: array[byte] of char;
begin
  if State = gdFixed then
    Exit;

  with sgrGrid do
  begin
    Canvas.Font := Font;
    Canvas.Font.Color := clWindowText;
    Canvas.Brush.Color := clWindow;

    Canvas.FillRect(Rect);
    StrPCopy(Buf, Cells[ACol, ARow]);
    DrawText(Canvas.Handle, Buf, -1, Rect,
      DT_SINGLELINE or DT_VCENTER or DT_NOCLIP or DT_LEFT);
  end;
end;