说明：  MapX电子手册，按字母顺序对MapX的对象、属性方法以及相关事件进行描述，每项都包含了目标、语法、注释以及与其它项的关联。可以当字典用。
(MapX electronic manuals, in alphabetical order on the MapX object, attribute method, as well as a description of related events, each contains a goal, grammar, notes and other related items. When the dictionary can be used.)