1．切换画面按钮 ....................................................................................................................................................................................................................................... 2 2.设定BIT 变量当前值 ............................................................................................................................................................................................................................. 2 3.取当前登陆用户 ..................................................................................................................................................................................................................................... 2 4.取硬盘剩余容量 ..................................................................................................................................................................................................................................... 3 5．以图像模式显示（灯、钮）等 ............................................................................................................................................................................................................ 5 6.自定义对象 ............................................................................................................................................................................................................................................. 6 7.OK 返回值 .............................................................................................................................................................................................................................................. 1 9 8.小键盘 ....................................................................................................................................................................................................................................
