鼠标接口程序包括5部分：一、 检测并初始化鼠标 二、 鼠标的活动范围 三、 打开或关闭鼠标四、 鼠标的形状五、 鼠标的形状 -mouse interface includes five parts : a detection and initialization two mouse, the mouse's activities three, Open or closed four mouse, the mouse's shape 5, the shape of the mouse