private void Tick(object sender, TickEventArgs e) { //Clear and draw the space for the grid... surf.Fill(grid.Rectangle, Color.Black); grid.Update(); grid.Draw(surf); //Clear and draw the space for the score board... surf.Fill(board.Rectangle, Color.Black); board.Update(); board.Draw(surf); //Blit the grid and the board to the screen surface... screen.Blit(surf, board.Rectangle); screen.Blit(surf, grid.Rectangle); screen.Update(); }