这是图形插件，是学习图形学时做的一个小课题。

编写一个ActiveX控件，名为MyOcx，可在外部程序调用。

需要完成的功能：

1、从指定的文件中读出数据

2、依据文件中的数据绘制统计图

3、统计图类型可实时指定为饼图、直方图等

4、填充类型可定制

5、数据文件格式为：



caption_01,number_01

caption_02,number_02

caption_03,number_03

...

caption_n,number_n

-This is the graphics plug-in, is to learn to do graphics at a small issue. Write a ActiveX control, called MyOcx, can call external procedures. Need to complete the functions of: 1, from the specified file读出数据2, based on the data in the mapping document and Statistics Figure 3, real-time statistical graph types can be designated as a pie chart, histogram, such as 4, fill type can be customized 5, data File Format for: caption_01, number_01caption_02, number_02caption_03, number_03 ... caption_n, number_n