显示位图的程序。包含选择位图路径，打开位图文件，读入位图数据，分析位图格式，创建位图GDI（图形设备接口）对象等。-Display bitmap program. Select the bitmap that contains the path, open the bitmap file, read the bitmap data, analysis of bitmap formats, create bitmap GDI (Graphics Device Interface) objects.

利用C++和arcEngine实现GIS空间分析中的网络分析功能，即最短路径查找-Use C++ and arcEngine implement GIS spatial analysis of network analysis capabilities that find the shortest path