public void redraw_on_form()
 {
     destroy_table();
     for (int i = 0; i < lenght_arr; i++)
     {
         view_plus_data el = rows[i] as view_plus_data;
         el.draw_row_on(i, this);
         el.resize_Window(this);
     }
 }
 public void add_cortege(view_plus_data obj)
 {
     rows.Add(obj); lenght_arr++;
 }