说明：  1、示例程序的目录下必须有Map(地图数据)目录，方可正常运行，否则无法打开地图。 2、重新编译Delphi源代码前，需配置相关的组件环境。
(1, the sample program directory must Map (map data) directory before normal operation, otherwise it is impossible to open the map. 2, Delphi recompile the source code, configuration of component environment.)