打开文件读取数据绘制股票价格柱形图 可进行图像放大、缩小功能-Open the file for reading a column chart stock prices can be drawn image zoom function

基于vb 的mapobjects开发，可打开SHP格式图形文件和栅格图像文件，并实现可缩小、放大、漫游等功能-Based on the vb mapobjects development SHP format graphics files can be opened and raster image file and implementation can reduce, enlarge, roaming and other functions