GraphBrain 一个很好的力表制作类。 功能：可用作制作各种柱状图，饼形图，等等多种图表。 环境：vc++ 6.0 内有详细使用说明和示例程序.-GraphBrain a very good power production category table. Functions: the production of all kinds can be used as a histogram, pie chart, and so a variety of charts. Enviro