模仿CAD绘图软件，可绘3D图形。主要解决了VB处理矢量图的问题，而且可生成3D预览图。很完整的源代码. -imitate CAD software, 3D graphics can be drawn. VB mainly to solve the problem of vector processing, but also generate 3 D preview map. Very integrity of the source code.

VML实现画图，2D统计图，3D统计图，条形统计图，柱状图，饼图，矢量图形标记语言-VML achieve drawing 2D Chart, 3D charts, bar charts, histograms, pie charts, vector graphics markup language