是GIS发缓冲功能！看了这个之后就回知道，怎么样做缓冲区的！

GIS编程，AE+C#缓冲区分析，AE+VB缓冲区分析,GIS programming, AE+ C# buffer analysis, AE+ VB buffer analysis

ArcGIS Engine 中用C#做的缓冲区分析，包括系统界面、源代码都有，是学习缓冲区分析的很好的范例-ArcGIS Engine with C# do buffer analysis, including the system interface, the source code has, is the study of the buffer analysis very good example