AEc#缓冲区

AE+c#实现缓冲区代码usingESRI.ArcGIS.MapControl;usingESRI.ArcGIS.PageLayoutControl;usingESRI.ArcGIS.ADF.BaseClasses;usingESRI.ArcGIS.Maplex;usingESRI.ArcGIS.MaplexUI;usingESRI.ArcGIS.Geoprocessor;usingESRI.ArcGIS.Geoprocessing;