说明：  CANOE DB++开发文档，对于定义CANMESSAGE，怎么去新定义一个message，在ＣＡＮＯＥ开发环境下的应用。是不能错过的一个文档
(All communication-relevant data that are processed in a networked CAN bus system as well as their interrelationships are usually administered in a central communications database. CANdb++ is a data administration program with which these communication databases can be created and modified in the form of CAN databases.)