这个文件主要是从网上下载的蒋波涛老师的那本《插件式GIS应用程序框架的设计与实现-基于c#和Arcgis Engine9.2》一书的原代码-This document was downloaded from the Internet Chiang waves that teachers of " plug-in GIS Application Framework Design and Implementation- Based on the c# and Arcgis Engine9.2