这是利用C#将图形保存成EPS文件的功能，其主要的目的是在地图打印时，将其矢量数据输出为EPS文件，为Illustator可以编辑的矢量图形，强大了打印的功能-This is the use of C# will be saved as EPS graphics files, its main purpose is to print the map, the vector data to output EPS file, in order to Illustator can edit vecto