描述 格式 笔记 描述 Global items describe rather than define data from a control. A new Main item assumes the characteristics of the item state table. Global items can change the sta...
笔记 An item is piece of information about the device. All items have a one-byte prefix that contains the item tag , item type , and item size . 一个“项”是描述设备的一段信息。所有项都有一个字节的前缀,其中包...