Description: 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
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