arcmap＋VB的例子，一共23个，包括属性统计、打开属性表、合并图层、图层排序、绘制文字、绘制多边形、Geo注册等，完整详细。-arcmap VB example, a total of 23, including the statistical properties, open the attribute table, merging layers, layer sequencing, drawing text, drawing polygons, Geo registration a