比较经典的俄罗斯方块游戏VC++的源代码，它可以设置区域大小，也就是方块几行几列，游戏难度级别，方块样式选择等-Comparison of the classic Tetris game VC++ source code, which can set the region size, which is a few lines of the box columns, the game difficulty level, style selection box