You can think of each cell as mapping to a pianokey.
可以将每一个细胞想像为钢琴键的映射。
2
With the MFC piano control, I created a hierarchy of pianokey classes representing these different shapes.
与MFC钢琴的控制，我创建了一个等级的钢琴代表这些不同形状的关键类。
3
The texture of pianokey on the wall is formed by different colors and different face bricks, and arranges by a certain proportion and is carved out by different glue line.